未分类题
I was out of town at the time, so I do not know exactly how it __________.
A.was happening
B.happened
C.happens
D.has happened
A.A.was
B.happened
C.happens
D.has
【参考答案】
B
本题考查的是句子时态。句意为:“当时我不在城里,所以不知道事情是怎样发生的。根据语境可知,事情发生在过去,所......
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