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69 multiple-choice questions on Conventions: Grammar, Usage, and Mechanics, about 46% of the 7th Writing & Language bank. Every one carries a written rationale.
Conventions: Grammar, Usage, and Mechanics is one of 6 chapters in CoStudy's 7th Writing & Language bank, and it holds 69 of the bank's 150 multiple-choice questions — roughly 46% of the total. That proportion is not arbitrary: chapters follow the certifying body's published exam outline, and the number of questions in each is set by that domain's published weight, so the share of your practice time this chapter takes matches the share of the real exam it accounts for.
Studying by chapter is worth doing once you have a diagnostic score. A single overall percentage tells you whether you are close; it does not tell you which domain is dragging. Working a weak chapter in isolation, and re-testing it in isolation, is the fastest way to move a score that has stalled — and it is why the mock exams in CoStudy report by domain rather than as one number.
10 questions drawn from this chapter, with the full rationale shown — the controlling principle behind the right answer, and why each wrong option tempts and fails.
Which transition signals SIMILARITY between ideas?
Answer: D — Similarly
Similarly = in a like manner. (A) Contrast. (B) Cause/effect. (C) Concession.
Which sentence has correct subject-verb agreement?
Answer: B — Neither the students nor the teacher was ready.
With 'neither/nor' (or 'either/or'), the verb agrees with the nearer subject. 'Teacher' (singular) → 'was.' (A) Wrong agreement. (C) 'Students' (plural) → should be 'were.' (D) Only B works.
Which sentence uses a semicolon in a complex series correctly?
Answer: A — We visited Paris, France; Rome, Italy; and Tokyo, Japan.
When list items contain internal commas, use semicolons to separate the items. (B) Confusing — too many commas. (C) Wrong placement. (D) Colons don't serve this function.
What strategy helps determine the meaning of an unfamiliar word in a sentence?
Answer: D — Use context clues from surrounding sentences
Context clues (definitions, examples, contrast, inference) in the surrounding text help figure out unfamiliar words. (A/B/C) don't inform meaning.
Which sentence uses 'affect' / 'effect' correctly?
Answer: B — The new law will affect everyone.
Affect (verb) = to influence. Effect (noun) = a result. (A) Should be 'affect.' (C) Should be 'effects.' Tricky: 'effect' can also be a verb meaning 'to bring about,' but that's advanced.
Which sentence has a reflexive pronoun used correctly?
Answer: C — Tomas gave himself a haircut.
Reflexive pronouns require an antecedent in the same clause. (C) 'Himself' refers back to 'Tomas.' (A/B/D) Misuse 'myself' as substitutes for 'I' or 'me.'
Which sentence demonstrates SUBJECT-VERB AGREEMENT?
Answer: C — Each of the students has a pencil.
'Each' is singular → 'has' (singular verb) is correct. (A) 'team' as a collective noun in US English is singular → 'is playing'; (B) 'boys' (plural) requires 'run'; (D) with 'neither...nor,' the verb agrees with the nearest subject ('dogs' = plural) → 'were.'
A writer wants to appeal to the READER'S EMOTIONS. This is called:
Answer: C — Pathos
Pathos = emotional appeal. Logos = logical/evidence appeal. Ethos = credibility/character appeal. Kairos = timing/context. (A/B/D) are different rhetorical appeals.
Choose: 'I'd like to ___ you on your promotion.'
Answer: A — compliment
Compliment (with 'i') = praise. Complement (with 'e') = complete or pair with. (B) Wrong meaning. (C/D) Misspellings.
Which is the homophone-correct sentence?
Answer: D — They're going to bring their books over there.
They're = they are; their = possessive; there = location. (D) is correct. (A/B/C) all scramble the three forms.
These are a sample. The full Conventions: Grammar, Usage, and Mechanics chapter runs 69 items with per-chapter progress tracking, on the web and in the iOS app.
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