Question ten-of

3.2 Form, Structure, and Sense - Parallel structure
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Ten of William Shakespeare’s plays are classified as histories. Although each one of these plays, which include Henry V and Richard III, blank on a single historical figure (specifically, an English king), some, such as Henry Vwe Part One and Henry Vwe Part Two, feature different episodes from the same monarch’s life.     

Which choice completes the text so that it conforms to the conventions of Standard English?

A.

focuses

B.

focus

C.

are focused

D.

were focused

Ten of William Shakespeare’s plays are classified as histories. Although each one of these plays, which

Hard-difficulty · SAT Reading & Writing · Form, Structure, and Sense — Parallel structure. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.

Answer explanation

Choice A is the best answer. The convention being tested is subject-verb agreement. The singular verb "focuses" agrees in number with the singular subject "each one of these plays," which refers to each play individually.

Choice B is incorrect because the plural verb "focus" doesn’t agree in number with the singular subject "each one of these plays." Choice C is incorrect because the plural verb "are focused" doesn’t agree in number with the singular subject "each one of these plays." Choice D is incorrect because the plural verb "were focused" doesn’t agree in number with the singular subject "each one of these plays."