问题
There __________ great changes in our hometown over the twenty years.
A:have taken place
B:have had
C:have been
D:were
B:have had
C:have been
D:were
正确答案是：
同类题型
_____ of Hangzhou has your brother covered since he came here? —About half of it．I guess．
Lisa, do you remember ________ yesterday?—Of course.
We’ll have noodles _____breakfast.[ ]
He thought he ________ a teacher two years later.
Boys, you ______ be sitting in this room. It is for your teachers only.