Question

【题目】The number of the books in our library about 20,000.

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

Answer 1

【答案】D

【解析】

句意：我们图书馆的书的数量大约是20000册。“the number of+名词复数”表示……的数目，作主语时谓语动词用单数形式，have/has是实义动词，意思是“有”，此处缺少系动词，故答案为D。