Anumberofanimals            killedandthenumberofthem   ...

問題詳情：

A number of animals             killed and the number of them            getting        smaller and smaller.

   A. has been; are               B. has been; is              

   C. have been; is               D. have been; are

【回答】

C     a number of“許多……；大量……”，作主語時謂語動詞用複數；the number of“……的數量”，作主語時謂語動詞用單數。故C項正確。

知識點：主謂一致

題型：選擇題