问题

Great changes __ _ since he left his hometown.

A:have taken place
B:have been taken place
C:were taken place
D:took place;

正确答案是：

同类题型

go to Hawaii or California_______ , we have to find a way to escape thesnow this winter

I ____you yesterday afternoon ,but you ____at home .

About seventy percent of our earth _______ with water.

broke out in a commercial mallunexpectedly ,the customers and thepersons working there fleeing for safety

He says “_______” to his parents before he goes to bed.