Although no one wanted to talk about it, a terrible accident happen the other day.A. doesB

发布时间：2020-08-17 13:58:47

Although no one wanted to talk about it, a terrible accident     happen the other day.
A. does
B. did
C. has to
D. had to

网友回答

A. does
(答案→)B. did
C. has to
D. had to
解析：该题是用did强调happen。
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