问题

It is reported that very little use of these waste materials_______ in the past decades

A:was taken
B:was made
C:has been made
D:has been taken

正确答案是：

同类题型

______ bad weather it is！

How about tothat song now

I’m afraid that I can’t do it.—Oh, you should believe in yourself. Youwon’t know what you can do______ you try it.

__________ people are there in the meeting room—About 200.

We find ___difficult to finish the work on time. We only have two days left.