问题

Too much pollution changes people’s life. Our government has done ____ to stop pollution.

A:useful something
B:useful anything
C:something useful
D:anything useful;

正确答案是：

同类题型

It is such that you must on it.

Nobody except Bill and John ______ entered the second round of the interview.

Nina, do you know ____ –Sorry, I don’t know.

“Why can’t you do it now” “_____I’m toobusy.”

Do you know _____ I’m going to see him. —Sorry, I don’t know.