问题 选择题

I can’t find the recorder in the room. It ________ by someone.

A.may take

B.may have been taken away

C.must have taken away

D.needn’t have been taken away

答案

答案:B

情态动词考查题。  must have done 一定做了某事, 在房间里我找不到录音机肯定有人拿走了。 选B

判断题
单项选择题