1. D: The modifying phrase inserted between subject and predicate should be set off on both sides by dashes, not just one. Non-matching punctuation marks, like a dash before it but a comma after it [sentence, (A), (C)], or a dash before but a colon after it (B), are incorrect and asymmetrical. An apostrophe (E) indicates possession and is incorrect in a non-possessive plural noun. There is no reason for the incorrect, extraneous close-quotation mark after the verb (E) either.
2. E: "No one's is a possessive pronoun and needs the apostrophe." Omitting it [sentence, (A), (B), and (C)] is incorrect. "No one" is spelled as two words, not one (B) or one hyphenated word (C). An apostrophe after the s (D) denotes a possessive plural, not a possessive singular.
3. E: The past unreal conditional should consist of "if" plus the past perfect of "to read" (auxiliary verb "had" with "read"). Adding "would" or "could" to the past perfect [sentence, (A), (B), (C), and (D)] is incorrect. In the "If...then" past unreal conditional construction, "would have" is only used in the second ("then" understood) clause, never in the first "If" clause. Also, "of" [(C), (D)] is a preposition, an incorrect substitute for the auxiliary verb "have."
4. C: The correct past progressive tense of the verb "to lie" is "were lying." "Were laying" (A) is acting on an object, e.g. "Workers were laying uprooted trees on the side of the road." Without the auxiliary verb "were," "lying" (B) is incomplete and does not form a predicate for the subject "trees." "Were laid" (D) means somebody/something laid them there, not that the trees themselves were lying there. "Was laid" is singular, not plural as "trees" are.
5. A: A comma (B), colon (C), or semicolon (E) is incorrect and unnecessary between the noun and its proper name.
6. A: No punctuation other than the quotation marks is required or correct after "and" and around "an eyesore." Commas [(B), (C)], semicolons (C), or dashes [(D), (E)] are incorrect. Omitting quotation marks (D) is incorrect since the sentence is quoting people; and the first phrase has them, so the second also should. The apostrophes [(D), (E)] are incorrect: the irregular possessive pronoun "its" does not have an apostrophe.
7. B: The end quotation mark should come after the word but inside the end parenthesis. Putting it after the period, outside the end parenthesis (A) is incorrect. Omitting the end quotation mark (C) is incorrect. Omitting parentheses and capitalizing the infinitive verb example (D) are both incorrect. Omitting the open parenthesis (E) is incorrect. Both quotation marks and parentheses always come in pairs.
8. C: There should not be any punctuation between the verb and its object, even if the object is a title in quotation marks as it is here. Therefore, a dash (A), comma [(B, (D)], colon (E), or any combination of two [(A), (E)] is incorrect. Additionally, omitting quotation marks around the title [(B), (E)] is incorrect.
9. B: The verb is modified by the adverb "perfectly," not "perfect" [(A), (C), (D)], an adjective for modifying a noun. "After it was repaired" indicates past tense, so for agreement, the verb should also be the past tense "ran." "Could run" (C) and "would run" (E) are not past tense but unreal subjunctive mood. There is no such construction as "could of" (D), which incorrectly substitutes the preposition "of" for the auxiliary verb "have," part of the past perfect tense.
10. D: The question mark comes after the question, inside the quotation marks. A line of dialogue or a quotation normally has a comma [(A), (C), (E)], but inside the end quotation mark when it is a statement. When it is a question it has a question mark, which should NOT go at the end of the sentence [(A), (E)] containing the question, when that sentence is a statement. Also, the adverb "there" is misspelled as the possessive plural third-person pronoun "their" in (B) and (C).
11. D: From the context, we assume the circus acrobats performed the stunt and received the applause that the audience gave. For the audience to receive applause makes no sense in this context [sentence, (A), (C), (E)]. Omitting the hyphen in "well-deserved" [(B), (C)] is also incorrect.
12. E: A comma, not a hyphen (B) introduces dialogue/quotations. A semicolon, not a comma (B) separates two independent clauses. A colon (A) is incorrect, because the first clause does not introduce the second clause and is not explained by it. (C) omits quotation marks. Past perfect (D) is not incorrect in itself, but past tense in the original sentence was not incorrect and required no change.
13. A: A comma after each italicized Latin word and after each English translation, inside the quotation marks surrounding the latter, is correct. Separating any of these terms with dashes is incorrect [(B), (C), (D), and (E)]. A dash followed by a comma is always incorrect, as is separating a pair with a hyphen (D). Both pairs should be separated by commas; (E) omits the comma from the second pair.
14. B: Each item in a series of three or more is separated with a comma. Omitting the last comma before "and" [(C), (D), (E)] is incorrect. The term "moray eel" is not a proper name but a common name for many types of eels and thus is not capitalized [(A), (D)] (unless it begins a sentence). Present verb tense [(C), (D)] is not incorrect, but these choices also include the identified punctuation [(C), (D)] and capitalization (D) errors.
15. A: "A planet" is not a name, hence not capitalized; a comma should separate the independent clause from the following phrase (B); "outside" is one word [(B), (E)]. Adding "could be" (C) changes the meaning and is also ungrammatical, creating two unconnected predicates "...the fact could be...encourages..." requiring ", which" before "encourages" or changing "encourages" to ", encouraging..." "Fact" and "planet" are both singular nouns; "exist" and "encourage" (D) belong with plural nouns. The words "...does exists..." should be "...does exist" (E).
16. E: A semicolon separates independent clauses. Omitting punctuation (A), including that semicolon and the hyphen from "time-saving" [(A), (B)], is incorrect. Spelling "time-saving" as two separate words [(C), (D)] is also incorrect. Substituting "should" (C) or "could" (D) for "can" alters the meaning.
17. E: The word "science" is not capitalized [(B), (C), (D). The phrase "what turns you on" is slangy and not preferred. (If it ended the sentence, it would also be incorrect for ending a sentence with a preposition.) "Which you choose" is preferable. "Chose" [(C), (D)] is past tense, disagreeing with the present-tense predicate "are." "Of these" (D) is redundant. The interrupting modifier "no matter..." is enclosed by commas on each side, not a comma and dash (D).
18. A: Substituting "could" (B) or "will" (D) for "should" changes the sentence meaning. "Should of" (C) incorrectly substitutes the preposition "of" for the auxiliary verb "have;" there is no such construction. Even the correct form "should have led" (E) is subjunctive mood, past tense, disagreeing with the present-tense sentence context ("...boxing is known...lead..."); and a comma after "inform" is incorrect.
19. D: English is capitalized because it is a proper name as well as a school subject. Uncapitalized names (A) are incorrect. However, mathematics, like chemistry, is a school subject but not a proper name and hence, not capitalized (C). Semicolons [(B), (C)] only separate independent clauses, or phrases containing internal commas, but not several phrases in a series. A semicolon (E) introduces lists or explanations but never separates phrases in a series.
20. B: Present tense is preferable when referring to an existing book rather than past tense [(A), (C), (E)] or present perfect tense (D). The author wrote it in the past, but the book still exists in the present. The possessive noun "girl's" has an apostrophe, which is incorrectly omitted in (C) and (E).
21. C: "In August" is the future, requiring the future-tense auxiliary verb "will." "Have been married" is present perfect. Adding "will" to "have been married" makes the tense future perfect. Simple future tense "will be married" [(A), (D)] with "for twenty-five years" literally means they will get married in August and will be married for 25 years thereafter. "Will have married" (E) cannot be "for 25 years": being married is a continuous process; marrying is not.
