Tom is one of the boys who __________ on time.

A. is B. are

C. am D. was

 

B

【解析】

試題分析：考查主謂一致。“one of + n.”結(jié)構(gòu)后定語從句的謂語形式 n.” 傳統(tǒng)語法認為 “one of + 復數(shù)名詞”結(jié)構(gòu)后面定語從句中的謂語動詞用復數(shù)形式，而當 one 前 有 the , only, mere(ly) (僅僅)，very, any 等修飾時，后面的定語從句用單數(shù)動詞。句意：湯姆是按時到達的男孩之一。故B正確。

考點：考查主謂一致

 

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