Although some people avoid gluten, many bakers consider wheat flour, barley, and rye to be _________ for making traditional breads.
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writingWhich choice completes the text so that it conforms to the conventions of Standard English?
A
something essential
B
staples
C
a requirement
D
an ingredient
Correct Answer: B
Choice B is the best answer. The subject includes three items ("wheat flour, barley, and rye"), so the noun describing them must be plural ("staples").
Choice A is incorrect because "something" is singular. Choice C is incorrect because "a requirement" is singular. Choice D is incorrect because "an ingredient" is singular.