Which of the following sentences from a paragraph about gingivitis is the topic sentence?

Correct Answer: B

Rationale: The topic sentence in a paragraph typically introduces the main idea or topic of the paragraph. In this case, choice B correctly serves as the topic sentence by clearly stating that gingivitis is a mild form of gum disease caused by bacteria that leads to inflammation of the gums. Choices A, C, and D provide additional information that supports or follows the main idea but do not present the overarching topic of the paragraph.

Correct Answer: A

Rationale: The correct answer is 'Dyskinesia.' By breaking down the word parts, 'dys-' means difficult or abnormal, and '-kinesia' refers to movement. Therefore, 'Dyskinesia' means an abnormality of movement. Choice B, 'Hyperkinesia,' is incorrect as 'hyper-' means excessive, not abnormal. Choice C, 'Akinesia,' is incorrect as 'a-' means without, not abnormal. Choice D, 'Hypokinesia,' is incorrect as 'hypo-' means deficient, not abnormal.

Correct Answer: C

Rationale: The correct answer is C because during the prewriting stage, writers engage in activities like mind mapping and free writing to brainstorm ideas and organize their thoughts before starting the actual writing process. Choice A is incorrect because finalizing the works cited page is typically done during the later stages of writing. Choice B is incorrect as the first draft is usually created during the drafting stage, not prewriting. Choice D is incorrect since copy editing and proofreading are tasks carried out in the revising and editing stages, not during prewriting.

Correct Answer: D

Rationale: Choice D is the correct answer because it correctly punctuates the compound sentence with a semicolon separating the two independent clauses. The use of a semicolon is appropriate when two closely related independent clauses are joined without a coordinating conjunction. Choices A, B, and C have incorrect punctuation or conjunction usage. Choice A incorrectly uses a comma before 'and,' while Choice B uses 'though' which is not the best conjunction to join the two clauses. Choice C also lacks appropriate punctuation to separate the two independent clauses.

Correct Answer: C

Rationale: Choice C, 'A multitude of clients' complaints filled the comment box,' is the correct answer. 'Clients'' is the plural possessive form to indicate that the complaints belong to the clients. In Choice A, 'baby's' is correctly punctuated to show the bibs belong to the baby. Choice B, 'Sarah's and Claire's business was thriving in its new location,' incorrectly uses an apostrophe before 'business,' making it possessive twice. Choice D, 'A busy worker's best tool is a good plan,' correctly shows possession of the best tool by the busy worker.