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问题: n our library there a number of books on sinence and the number of them gro

A. is;are B.are;is C.has;is D.have;are

请问该选A,B,C,D哪一个?

解答:

我认为应该是,In our liabrary there are number of books on sinence and the number of them is gro.

the number of ....的数量,跟复数名词时,谓语动词用单数,如:

The number of students is 125.
学生的数量是125人。

a number of 一些,许多,接复数可数名词,谓语动词用复数,如

A number of candidates have been interviewed yesterday.
昨天已经对一些候选人进行了面试。