问题

Great changes______ in the city since1970.
A:have been taken place
B:have taken place.
C:has taken place
D:took place
B:have taken place.
C:has taken place
D:took place
正确答案是:
同类题型
________spending our vacation in a noisy crowded city,why not try hiking in the country?
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Excuse me, could you tell me ? — There is an e–shop on the third floor. You can repair it there.
I’m sorry, I didn’t _______ you clearly. Would you say it again?