Use Ellipsis for Omissions
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8th Grade ELA › Use Ellipsis for Omissions
A student is quoting from a school newsletter and wants to omit the ending of a sentence because it includes extra details not needed.
Original passage: "Students must submit their projects by Friday to be eligible for consideration in the regional competition, which will be held in May at the civic center."
Which quotation correctly uses an ellipsis to show that the end was omitted?
"Students must submit their projects by Friday ..."
"Students must submit their projects ... competition, which will be held in May."
"Students must submit their projects by Friday .."
"Students must submit their projects by Friday."
Explanation
This question tests using ellipsis (three dots: ...) to indicate omission of words or sentences from quoted material while preserving original meaning and maintaining grammatical coherence. Ellipsis indicates omitted material within quotations: Use three dots with spaces (...) to show words omitted from middle of sentence ("The committee reviewed proposals ... before deciding" omits "carefully and thoroughly"). Between sentences, use period then three-dot ellipsis (. ...) to show omitted sentence(s) ("Results were positive. ... Further research continues" omits middle sentence). At beginning or end of quotation, ellipsis optional depending on whether words omitted from original ("Students must submit by Friday ..." shows omitted ending; starting mid-sentence without ellipsis often acceptable if quotation integrates grammatically). Critical rule: omitted material must not change the meaning of the original—cannot remove words that alter author's intent or create misleading quotation. From the original "Students must submit their projects by Friday to be eligible for consideration in the regional competition, which will be held in May at the civic center," option A correctly shows: "Students must submit their projects by Friday ..." with ellipsis indicating the omission of "to be eligible for consideration in the regional competition, which will be held in May at the civic center." Option A correctly uses three dots with proper spacing at the end to show that the ending portion of the sentence was omitted. Option B ends the quotation at a natural stopping point without omitting any words from within the quoted portion, so no ellipsis is needed; option C incorrectly places ellipsis in the middle of the sentence where no omission occurs; option D uses only two dots, which is incorrect formatting. Ellipsis placement rules: (1) Omitting within sentence: place ellipsis where words removed ("X Y Z" becomes "X ... Z" when Y omitted), (2) Omitting between sentences: use period ending first sentence, then ellipsis before next ("Sentence one. ... Sentence three" when sentence two omitted), (3) Beginning/ending: ellipsis at start if words omitted from beginning ("... the council approved" from "After deliberation, the council approved"), at end if words omitted from end ("submit by Friday ..." from "submit by Friday to be considered"). When NOT to use: when naturally starting or ending quotation at complete thought boundaries—don't need ellipsis just because you're not quoting entire passage, only when omitting words from within the portion you are quoting.
Read the original passage and then decide whether an ellipsis is needed.
Original passage (from an essay):
"Reading primary sources can be challenging because the language is sometimes unfamiliar. Still, letters and diary entries can reveal how people felt during important events. When students compare several sources, they often notice details that do not appear in a textbook."
A student quotes the second sentence exactly as written: "Still, letters and diary entries can reveal how people felt during important events." Does this quotation require an ellipsis?
No, but the quotation should begin with "... Still" to show it is not the first sentence.
Yes, because every quotation must include an ellipsis at the end.
Yes, because the sentence comes from a longer paragraph.
No, because no words were omitted from within the quoted sentence.
Explanation
Tests using ellipsis (three dots: ...) to indicate omission of words or sentences from quoted material while preserving original meaning and maintaining grammatical coherence. Ellipsis indicates omitted material within quotations: Use three dots with spaces (...) to show words omitted from middle of sentence ("The committee reviewed proposals ... before deciding" omits "carefully and thoroughly"). Between sentences, use period then three-dot ellipsis (. ...) to show omitted sentence(s) ("Results were positive. ... Further research continues" omits middle sentence). The student quotes the second sentence exactly as written: "Still, letters and diary entries can reveal how people felt during important events." Since no words have been omitted from within the quoted sentence itself, no ellipsis is needed. Choice C correctly identifies that no ellipsis is required because no words were omitted from within the quoted sentence—the student is quoting the complete sentence exactly as it appears in the original. Choice A incorrectly suggests every quotation needs an ellipsis at the end, Choice B incorrectly implies that quoting from a longer work always requires ellipsis, and Choice D incorrectly suggests adding ellipsis at the beginning just because it's not the first sentence of the paragraph. Ellipsis placement rules: (1) Omitting within sentence: place ellipsis where words removed ("X Y Z" becomes "X ... Z" when Y omitted), (2) Omitting between sentences: use period ending first sentence, then ellipsis before next ("Sentence one. ... Sentence three" when sentence two omitted), (3) Beginning/ending: ellipsis at start if words omitted from beginning ("... the council approved" from "After deliberation, the council approved"), at end if words omitted from end ("submit by Friday ..." from "submit by Friday to be considered"). When NOT to use: when naturally starting or ending quotation at complete thought boundaries—don't need ellipsis just because you're not quoting entire passage, only when omitting words from within the portion you are quoting.
A student shortened a quotation for a news summary. One version uses ellipses correctly, and the others have punctuation or meaning problems.
Original passage:
"The principal announced that the school will pilot a later start time next semester. She explained that the change is meant to support student sleep and improve focus in morning classes. Families will receive a survey next week, and the final schedule will be shared after the results are reviewed."
Which quotation correctly omits the middle sentence and keeps the meaning?
"The principal announced that the school will pilot a later start time next semester ... Families will receive a survey next week, and the final schedule will be shared after the results are reviewed."
"The principal announced that the school will pilot a later start time next semester. ... Families will receive a survey next week, and the final schedule will be shared after the results are reviewed ..."
"The principal announced that the school will pilot a later start time next semester. .... Families will receive a survey next week, and the final schedule will be shared after the results are reviewed."
"The principal announced that the school will pilot a later start time next semester. ... Families will receive a survey next week, and the final schedule will be shared after the results are reviewed."
Explanation
Tests using ellipsis (three dots: ...) to indicate omission of words or sentences from quoted material while preserving original meaning and maintaining grammatical coherence. Ellipsis indicates omitted material within quotations: Use three dots with spaces (...) to show words omitted from middle of sentence ("The committee reviewed proposals ... before deciding" omits "carefully and thoroughly"). Between sentences, use period then three-dot ellipsis (. ...) to show omitted sentence(s) ("Results were positive. ... Further research continues" omits middle sentence). At beginning or end of quotation, ellipsis optional depending on whether words omitted from original ("Students must submit by Friday ..." shows omitted ending; starting mid-sentence without ellipsis often acceptable if quotation integrates grammatically). Critical rule: omitted material must not change the meaning of the original—cannot remove words that alter author's intent or create misleading quotation. The student wants to omit the middle sentence: "She explained that the change is meant to support student sleep and improve focus in morning classes." When omitting a complete sentence between two others, the correct format is period after the first sentence, then space, then three dots (...), then space, then the next sentence: "The principal announced that the school will pilot a later start time next semester. ... Families will receive a survey next week, and the final schedule will be shared after the results are reviewed." Choice B correctly uses this standard format for omitting sentences. Choice A incorrectly places ellipsis within the first sentence rather than between sentences. Choice C adds unnecessary ellipsis at the very end, suggesting more text follows when the quotation actually ends completely. Choice D uses four dots (....) instead of the standard three dots for ellipsis. Academic integrity: never omit words that misrepresent author's meaning—ellipsis is for shortening, not distorting.
A student is quoting from a science article but wants to omit some extra descriptive words in the middle of a sentence.
Original passage:
"The researchers recorded temperature changes every minute during the storm and compared them to data from earlier summers. They found that the lake warmed rapidly near the surface, especially during calm, sunny hours, and then cooled after strong winds returned. The report notes that these shifts can affect fish habitats and algae growth."
Which quotation correctly uses an ellipsis to omit the words "especially during calm, sunny hours" while preserving the meaning?
"They found that the lake warmed rapidly near the surface, ... and then cooled after strong winds returned."
"They found that the lake warmed rapidly near the surface ... especially during calm, sunny hours, and then cooled after strong winds returned."
"They found that the lake warmed rapidly near the surface, especially during calm, sunny hours, and then cooled ..."
"They found that the lake warmed rapidly near the surface.. and then cooled after strong winds returned."
Explanation
Tests using ellipsis (three dots: ...) to indicate omission of words or sentences from quoted material while preserving original meaning and maintaining grammatical coherence. Ellipsis indicates omitted material within quotations: Use three dots with spaces (...) to show words omitted from middle of sentence ("The committee reviewed proposals ... before deciding" omits "carefully and thoroughly"). Between sentences, use period then three-dot ellipsis (. ...) to show omitted sentence(s) ("Results were positive. ... Further research continues" omits middle sentence). At beginning or end of quotation, ellipsis optional depending on whether words omitted from original ("Students must submit by Friday ..." shows omitted ending; starting mid-sentence without ellipsis often acceptable if quotation integrates grammatically). Critical rule: omitted material must not change the meaning of the original—cannot remove words that alter author's intent or create misleading quotation. The student wants to omit "especially during calm, sunny hours" from within a single sentence. The original reads: "They found that the lake warmed rapidly near the surface, especially during calm, sunny hours, and then cooled after strong winds returned." With the phrase omitted, it becomes: "They found that the lake warmed rapidly near the surface, ... and then cooled after strong winds returned." Choice A correctly places the ellipsis where the words were removed, maintaining the comma before the ellipsis since it was part of the original punctuation structure. Choice B incorrectly includes the very words that should be omitted ("especially during calm, sunny hours"), defeating the purpose of using ellipsis. Choice C uses only two dots (..) instead of three, which is incorrect punctuation for ellipsis. Choice D omits different words at the end of the sentence rather than the specified middle phrase.
Read the original passage and choose the quotation that correctly indicates omitted material.
Original passage: In her editorial, Maya argues that recycling matters, but she also points out that reducing waste is even more effective. She describes how using refillable bottles cuts down on plastic, and she suggests packing lunches in reusable containers.
Which quotation properly indicates that words were omitted from the middle of the first sentence?
"In her editorial, Maya argues that recycling matters, but she also points out that reducing waste is even more effective."
"In her editorial, Maya argues that recycling matters. ... reducing waste is even more effective."
"In her editorial, Maya argues that recycling matters ... reducing waste is even more effective."
"In her editorial, Maya argues that recycling matters .. reducing waste is even more effective."
Explanation
Tests using ellipsis (three dots: ...) to indicate omission of words or sentences from quoted material while preserving original meaning and maintaining grammatical coherence. Ellipsis indicates omitted material within quotations: Use three dots with spaces (...) to show words omitted from middle of sentence ("The committee reviewed proposals ... before deciding" omits "carefully and thoroughly"). Between sentences, use period then three-dot ellipsis (. ...) to show omitted sentence(s) ("Results were positive. ... Further research continues" omits middle sentence). At beginning or end of quotation, ellipsis optional depending on whether words omitted from original ("Students must submit by Friday ..." shows omitted ending; starting mid-sentence without ellipsis often acceptable if quotation integrates grammatically). Critical rule: omitted material must not change the meaning of the original—cannot remove words that alter author's intent or create misleading quotation. Original passage: "In her editorial, Maya argues that recycling matters, but she also points out that reducing waste is even more effective. She describes how using refillable bottles cuts down on plastic, and she suggests packing lunches in reusable containers." To omit "but she also points out that" from the middle of the first sentence, Choice A correctly shows: "In her editorial, Maya argues that recycling matters ... reducing waste is even more effective" properly uses ellipsis to indicate the omission while maintaining the contrast between recycling and waste reduction. Choice A correctly places ellipsis where words are omitted from within the sentence, preserving grammatical flow and meaning. Choice B incorrectly uses period + ellipsis format which is only for omitting between sentences, Choice C uses only two dots instead of three, and Choice D includes all words without any omission. Ellipsis placement rules: (1) Omitting within sentence: place ellipsis where words removed ("X Y Z" becomes "X ... Z" when Y omitted), (2) Omitting between sentences: use period ending first sentence, then ellipsis before next ("Sentence one. ... Sentence three" when sentence two omitted), (3) Beginning/ending: ellipsis at start if words omitted from beginning ("... the council approved" from "After deliberation, the council approved"), at end if words omitted from end ("submit by Friday ..." from "submit by Friday to be considered"). When NOT to use: when naturally starting or ending quotation at complete thought boundaries—don't need ellipsis just because you're not quoting entire passage, only when omitting words from within the portion you are quoting.
Read the original passage and then choose the quotation that correctly uses an ellipsis to shorten it.
Original passage: The city librarian explained that the renovation will add quiet study rooms, update the computer lab, and improve wheelchair access. She also noted that the library will remain open during construction with limited seating. The project is scheduled to finish in early May.
Which version correctly uses ellipsis to shorten the quotation while keeping the meaning the same?
"The city librarian explained that the renovation will add quiet study rooms, update the computer lab ... The project is scheduled to finish in early May."
"The city librarian explained that the renovation will add quiet study rooms, update the computer lab, and improve wheelchair access ..."
"The city librarian explained that the renovation will add quiet study rooms ... and improve wheelchair access."
"The city librarian explained that the renovation will add quiet study rooms, update the computer lab, and improve wheelchair access."
Explanation
Tests using ellipsis (three dots: ...) to indicate omission of words or sentences from quoted material while preserving original meaning and maintaining grammatical coherence. Ellipsis indicates omitted material within quotations: Use three dots with spaces (...) to show words omitted from middle of sentence ("The committee reviewed proposals ... before deciding" omits "carefully and thoroughly"). Between sentences, use period then three-dot ellipsis (. ...) to show omitted sentence(s) ("Results were positive. ... Further research continues" omits middle sentence). At beginning or end of quotation, ellipsis optional depending on whether words omitted from original ("Students must submit by Friday ..." shows omitted ending; starting mid-sentence without ellipsis often acceptable if quotation integrates grammatically). Critical rule: omitted material must not change the meaning of the original—cannot remove words that alter author's intent or create misleading quotation. The original passage states: "The city librarian explained that the renovation will add quiet study rooms, update the computer lab, and improve wheelchair access. She also noted that the library will remain open during construction with limited seating. The project is scheduled to finish in early May." Choice B correctly uses ellipsis: "The city librarian explained that the renovation will add quiet study rooms ... and improve wheelchair access" properly omits "update the computer lab," from the middle of the list using ellipsis to indicate the omission while maintaining grammatical coherence and preserving the meaning that renovations will add study rooms and improve access. Choice B correctly uses ellipsis within a sentence to show omitted words from the middle of a list, maintaining both grammar and meaning. Choice A incorrectly places ellipsis between sentences without proper punctuation (needs period before ellipsis), Choice C incorrectly places ellipsis at the end when the sentence naturally ends there, and Choice D includes no ellipsis despite omitting content. Ellipsis placement rules: (1) Omitting within sentence: place ellipsis where words removed ("X Y Z" becomes "X ... Z" when Y omitted), (2) Omitting between sentences: use period ending first sentence, then ellipsis before next ("Sentence one. ... Sentence three" when sentence two omitted), (3) Beginning/ending: ellipsis at start if words omitted from beginning ("... the council approved" from "After deliberation, the council approved"), at end if words omitted from end ("submit by Friday ..." from "submit by Friday to be considered"). When NOT to use: when naturally starting or ending quotation at complete thought boundaries—don't need ellipsis just because you're not quoting entire passage, only when omitting words from within the portion you are quoting.
Read the original passage and then choose the quotation that correctly uses an ellipsis (and correct punctuation) to combine two nonconsecutive sentences.
Original passage (from a speech):
"Our town has faced difficult storms before, and we have always rebuilt together. Volunteers cleared fallen branches, checked on neighbors, and delivered supplies to families without power. The work was exhausting, but it reminded us of what community means. Tonight, we begin the next step: repairing homes and reopening schools."
Which quotation correctly skips the second and third sentences?
"Our town has faced difficult storms before, and we have always rebuilt together. Tonight, we begin the next step: repairing homes and reopening schools."
"Our town has faced difficult storms before, and we have always rebuilt together. ... Tonight, we begin the next step: repairing homes and reopening schools."
"Our town has faced difficult storms before, and we have always rebuilt together ... Tonight, we begin the next step: repairing homes and reopening schools."
"Our town has faced difficult storms before, and we have always rebuilt together. .... Tonight, we begin the next step: repairing homes and reopening schools."
Explanation
Tests using ellipsis (three dots: ...) to indicate omission of words or sentences from quoted material while preserving original meaning and maintaining grammatical coherence. Ellipsis indicates omitted material within quotations: Use three dots with spaces (...) to show words omitted from middle of sentence ("The committee reviewed proposals ... before deciding" omits "carefully and thoroughly"). Between sentences, use period then three-dot ellipsis (. ...) to show omitted sentence(s) ("Results were positive. ... Further research continues" omits middle sentence). The original passage contains four sentences, and the task requires quoting the first and fourth sentences while skipping the second and third: "Volunteers cleared fallen branches, checked on neighbors, and delivered supplies to families without power. The work was exhausting, but it reminded us of what community means." Choice B correctly uses the period + ellipsis format: "Our town has faced difficult storms before, and we have always rebuilt together. ... Tonight, we begin the next step: repairing homes and reopening schools." The period after "together" properly ends the first sentence, and the ellipsis indicates that complete sentences have been omitted before continuing with the fourth sentence. Choice A incorrectly omits the period after "together," suggesting words were omitted from within a sentence rather than entire sentences being skipped, Choice C fails to indicate any omission at all, and Choice D uses four dots instead of the standard three-dot ellipsis. Ellipsis placement rules: (1) Omitting within sentence: place ellipsis where words removed ("X Y Z" becomes "X ... Z" when Y omitted), (2) Omitting between sentences: use period ending first sentence, then ellipsis before next ("Sentence one. ... Sentence three" when sentence two omitted), (3) Beginning/ending: ellipsis at start if words omitted from beginning ("... the council approved" from "After deliberation, the council approved"), at end if words omitted from end ("submit by Friday ..." from "submit by Friday to be considered"). Purpose of ellipsis in quotations: shorten lengthy passages, remove irrelevant details, focus on key information, indicate you've combined non-consecutive portions.
A student is writing a biography and wants to quote only the main point from a longer passage.
Original passage:
"After years of practice, the violinist finally earned a spot in the city orchestra. She described the audition as the most nerve‑racking performance of her life, even more stressful than her school concerts. When her name appeared on the final list, she called her grandmother first. She said the moment reminded her that steady effort can lead to unexpected opportunities."
Which version correctly uses an ellipsis to omit the middle two sentences and keep the first and last sentences together?
"After years of practice, the violinist finally earned a spot in the city orchestra. ... She said the moment reminded her that steady effort can lead to unexpected opportunities."
"After years of practice, the violinist finally earned a spot in the city orchestra ... She said the moment reminded her that steady effort can lead to unexpected opportunities."
"After years of practice, the violinist finally earned a spot in the city orchestra. She said the moment reminded her that steady effort can lead to unexpected opportunities ..."
"After years of practice, the violinist finally earned a spot in the city orchestra ... . She said the moment reminded her that steady effort can lead to unexpected opportunities."
Explanation
Tests using ellipsis (three dots: ...) to indicate omission of words or sentences from quoted material while preserving original meaning and maintaining grammatical coherence. Ellipsis indicates omitted material within quotations: Use three dots with spaces (...) to show words omitted from middle of sentence ("The committee reviewed proposals ... before deciding" omits "carefully and thoroughly"). Between sentences, use period then three-dot ellipsis (. ...) to show omitted sentence(s) ("Results were positive. ... Further research continues" omits middle sentence). At beginning or end of quotation, ellipsis optional depending on whether words omitted from original ("Students must submit by Friday ..." shows omitted ending; starting mid-sentence without ellipsis often acceptable if quotation integrates grammatically). Critical rule: omitted material must not change the meaning of the original—cannot remove words that alter author's intent or create misleading quotation. The original has four sentences, and the student wants to keep only the first and last, omitting the middle two sentences: "She described the audition as the most nerve‑racking performance of her life, even more stressful than her school concerts. When her name appeared on the final list, she called her grandmother first." When omitting complete sentences between other sentences, use period + ellipsis format. Choice B correctly shows: "After years of practice, the violinist finally earned a spot in the city orchestra. ... She said the moment reminded her that steady effort can lead to unexpected opportunities." The first sentence ends with its normal period, followed by space, three dots, space, then the final sentence. Choice A incorrectly omits the period after "orchestra," suggesting words were omitted from within that sentence rather than showing complete sentences were omitted. Choice C reverses the order (... .) which is incorrect. Choice D places ellipsis at the very end, suggesting the quotation trails off rather than showing middle content was omitted.
A student is revising a quotation to correctly show omitted material.
Original passage: "During the debate, the candidates discussed transportation, education, and public safety. They answered questions from residents for nearly two hours. At the end, they thanked the audience for attending."
Which quotation correctly shows the omission of the second sentence?
"During the debate, the candidates discussed transportation, education, and public safety. .... At the end, they thanked the audience for attending."
"During the debate, the candidates discussed transportation, education, and public safety ... At the end, they thanked the audience for attending."
"During the debate, the candidates discussed transportation, education, and public safety. At the end, they thanked the audience for attending."
"During the debate, the candidates discussed transportation, education, and public safety. ... At the end, they thanked the audience for attending."
Explanation
This question tests using ellipsis (three dots: ...) to indicate omission of words or sentences from quoted material while preserving original meaning and maintaining grammatical coherence. Ellipsis indicates omitted material within quotations: Use three dots with spaces (...) to show words omitted from middle of sentence ("The committee reviewed proposals ... before deciding" omits "carefully and thoroughly"). Between sentences, use period then three-dot ellipsis (. ...) to show omitted sentence(s) ("Results were positive. ... Further research continues" omits middle sentence). At beginning or end of quotation, ellipsis optional depending on whether words omitted from original ("Students must submit by Friday ..." shows omitted ending; starting mid-sentence without ellipsis often acceptable if quotation integrates grammatically). Critical rule: omitted material must not change the meaning of the original—cannot remove words that alter author's intent or create misleading quotation. When quoting across sentences: "During the debate, the candidates discussed transportation, education, and public safety. They answered questions from residents for nearly two hours. At the end, they thanked the audience for attending." → "During the debate, the candidates discussed transportation, education, and public safety. ... At the end, they thanked the audience for attending." uses period + ellipsis (. ...) showing omitted middle sentence about answering questions. Option B correctly uses a period after "safety" to end the first sentence, followed by three spaced dots to indicate the omission of the entire second sentence, then continues with the third sentence. Option A incorrectly omits the period after the first sentence, creating a run-on; option C shows no indication that a sentence was omitted; option D uses four dots, which is incorrect formatting for omitting between sentences. Ellipsis placement rules: (1) Omitting within sentence: place ellipsis where words removed ("X Y Z" becomes "X ... Z" when Y omitted), (2) Omitting between sentences: use period ending first sentence, then ellipsis before next ("Sentence one. ... Sentence three" when sentence two omitted), (3) Beginning/ending: ellipsis at start if words omitted from beginning ("... the council approved" from "After deliberation, the council approved"), at end if words omitted from end ("submit by Friday ..." from "submit by Friday to be considered"). When NOT to use: when naturally starting or ending quotation at complete thought boundaries—don't need ellipsis just because you're not quoting entire passage, only when omitting words from within the portion you are quoting.
A student is analyzing a short story and wants to quote two non-consecutive sentences while omitting the sentence between them.
Original passage: "I waited by the window for the first sign of the train. The station clock ticked loudly, and every minute felt longer than the last. When the whistle finally sounded, I realized my hands were shaking."
Which quotation correctly shows the omission between sentences?
"I waited by the window for the first sign of the train ... When the whistle finally sounded, I realized my hands were shaking."
"I waited by the window for the first sign of the train.... When the whistle finally sounded, I realized my hands were shaking."
"I waited by the window for the first sign of the train. ... when the whistle finally sounded, I realized my hands were shaking."
"I waited by the window for the first sign of the train. ... When the whistle finally sounded, I realized my hands were shaking."
Explanation
This question tests using ellipsis (three dots: ...) to indicate omission of words or sentences from quoted material while preserving original meaning and maintaining grammatical coherence. Ellipsis indicates omitted material within quotations: Use three dots with spaces (...) to show words omitted from middle of sentence ("The committee reviewed proposals ... before deciding" omits "carefully and thoroughly"). Between sentences, use period then three-dot ellipsis (. ...) to show omitted sentence(s) ("Results were positive. ... Further research continues" omits middle sentence). At beginning or end of quotation, ellipsis optional depending on whether words omitted from original ("Students must submit by Friday ..." shows omitted ending; starting mid-sentence without ellipsis often acceptable if quotation integrates grammatically). Critical rule: omitted material must not change the meaning of the original—cannot remove words that alter author's intent or create misleading quotation. When quoting across sentences: "I waited by the window for the first sign of the train. The station clock ticked loudly, and every minute felt longer than the last. When the whistle finally sounded, I realized my hands were shaking." → "I waited by the window for the first sign of the train. ... When the whistle finally sounded, I realized my hands were shaking." uses period + ellipsis (. ...) showing omitted middle sentence about the station clock. Option B correctly uses a period after "train" to end the first sentence, followed by three spaced dots to indicate the omission of the entire middle sentence, then continues with the third sentence. Option A incorrectly omits the period after the first sentence; option C uses four dots without proper spacing; option D incorrectly lowercases "when" after the ellipsis when it should remain capitalized as the beginning of a new sentence. Ellipsis placement rules: (1) Omitting within sentence: place ellipsis where words removed ("X Y Z" becomes "X ... Z" when Y omitted), (2) Omitting between sentences: use period ending first sentence, then ellipsis before next ("Sentence one. ... Sentence three" when sentence two omitted), (3) Beginning/ending: ellipsis at start if words omitted from beginning ("... the council approved" from "After deliberation, the council approved"), at end if words omitted from end ("submit by Friday ..." from "submit by Friday to be considered"). When NOT to use: when naturally starting or ending quotation at complete thought boundaries—don't need ellipsis just because you're not quoting entire passage, only when omitting words from within the portion you are quoting.