问题

Studies show that MP3 people have made much use of_____ music may be causing hearing loss.[ ]

A: enjoy
B: to enjoy
C: enjoying
D: enjoyed

正确答案是：

同类题型

There is something wrong with my radio. — ______ _. I can mend it for you.

下列各句中，表达得体的一句是

No sooner ____ to the station ____ thetrain left.

I am _____ whether he will come. [ ]

At the door Winston looked back, but O’Brien seemed already to be in process of putting him ________.