Inourschoollibrarythere       anumberofbooksonsciencean...

问题详情：

In our school library there        a number of books on science and the number of them     growing larger and larger.

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

【回答】

B

知识点：相似 相近词比较

题型：选择题