The surgeon's three primary _________ were sterilized and ready for the procedure.
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writingWhich choice completes the text so that it conforms to the conventions of Standard English?
A
instruments
B
scalpel
C
clamp
D
probe
Correct Answer: A
Choice A is the best answer. The modifier "three" requires a plural noun ("instruments").
Choice B is incorrect because "scalpel" is singular. Choice C is incorrect because "clamp" is singular. Choice D is incorrect because "probe" is singular.