【題目】_____ the students in our class _____50.

A. The number of, are B. A number of, is

C. The number of, is D. A number of, are

【答案】C

【解析】句意：我們班學生數(shù)是50人。the number of+名詞復(fù)數(shù)，意為“…的數(shù)目”，整個短語作主語時，謂語動詞使用單數(shù)形式；a number of+名詞復(fù)數(shù)，意為“大量的…”, 整個短語作主語時，謂語動詞使用復(fù)數(shù)形式。故選：C。

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