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
I hope we can fly to _________ moon one day.
The manager told us that _______ careful we are, ________ mistakes we’ll make.
Daniel is a ___ student in his class. He always gets good marks in exams.
She is too busy to help us finish the work.— Let’s do it ________.
I called you yesterday evening, but you were not in .— Sorry, I ________ in the shop with my mother.