问题

Great changes ________ since we entered E-times. And the computer is widely used throughout the world.

A:have happened
B:have taken place
C:have been happened
D:have been taken place;

正确答案是：

同类题型

Mary can’t help ______ when she sees her father.

. We are looking for an inexpensive hotel .

Would you go to the museum with me this Sunday —Sorry, _______. My aunt is coming to visit the family. We plan to have a welcome party then.

I think English is as ______ as math.–I agree with you.

The map is one of the best tools a man has __ he goesto a new place．