问题

Studies show the MP3 people have made much use of _____ music may be causing hearing loss in many people. [ ]

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

正确答案是：

同类题型

No one is allowed ____ the room in the daytime..

Let’s go out nowIt ________ any more

are model teachers, most of_________ are young women.

Mom, when shall we go toWeifang Museum this weekend —- Oh,sorry. I’m going to Beijing for a meeting. ____ Saturday ____. Sunday is OK.

it rain tomorrow, we would have to call off the hike.