题目内容
What_______ to Jane last night? Why did she cry?
A. was happened B. happened C. was happening D. had happened
B
happen 无被动,另外由时间状语last night 可知应用一般过去式。

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题目内容
What_______ to Jane last night? Why did she cry?
A. was happened B. happened C. was happening D. had happened
B
happen 无被动,另外由时间状语last night 可知应用一般过去式。