【題目】The number of the volunteers in our city ____3,000. And fifty percent of them ____ students.

A. is, is B. are, is C. is, are

【答案】C

【解析】句意“我們城市志愿者的數(shù)量是3000人,其中50%是學(xué)生”!the number of+主語”,表示“……的數(shù)量”,謂語動詞用單數(shù),排除B。百分?jǐn)?shù)做主語時,謂語要和百分?jǐn)?shù)后的名詞或代詞保持一致,此處為them,用復(fù)數(shù),故選C。

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