题目内容

13. (2014 •山东泰安)

-What the number of the students in your school?

—About two thousand. A number of them from the countryside.

   A. is;are   B. is;is

   C. are;is   D. are;are

13. A

13. A 解析:主语是 the number of the students时,be动词要用is;主语是a number of them 时,be 动词要用 are。故 答案为A.

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  根据短文内容及首字母提示完成单词。

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