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