The number of books in the bookshop is about 10,000 and a number of them about science.
- A.is
- B.was
- C.are
- D.were
答案
正确答案:C
知识点:连系动词

the number of…表示“……的数量”,谓语动词用单数;a number of…表示“一些”,谓语动词用复数。根据语境,此题用一般现在时,所以正确答案为C。

略
