Question zydeco

3.1 Boundaries - Fragments vs complete sentences
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Zydeco music originated in the French Creole community of southwest Louisiana. One instrument that gives zydeco its unique sound is the vest frottoir. The vest frottoir blank a wearable washboard that is played by rubbing spoons or bottle openers against it.

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

A.

have been 

B.

is

C.

were

D.

are

Zydeco music originated in the French Creole community of southwest Louisiana. One instrument that gives zydeco

Medium-difficulty · SAT Reading & Writing · Boundaries — Fragments vs complete sentences. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.

Answer explanation

Choice B is the best answer. The convention being tested is subject-verb agreement. The singular verb "is" agrees in number with the singular subject "vest frottoir."

Choice A is incorrect because the plural verb "have been" doesn’t agree in number with the singular subject "vest frottoir." Choice C is incorrect because the plural verb "were" doesn’t agree in number with the singular subject "vest frottoir." Choice D is incorrect because the plural verb "are" doesn’t agree in number with the singular subject "vest frottoir."