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500字范文 > He must have known the truth yesterday ?A. haven’t youB. didn’t youC. have youD. did you

He must have known the truth yesterday ?A. haven’t youB. didn’t youC. have youD. did you

时间:2018-11-01 03:19:26

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He must have known the truth yesterday  ?A. haven’t youB. didn’t youC. have youD. did you

问题补充:

He must have known the truth yesterday, ?

A. haven’t you

B. didn’t you

C. have you

D. did you

答案:

A. haven’t you

(答案→)B. didn’t you

C. have you

D. did you

解析:考查反意问句:句意:他昨天一定知道真相了,是吗?前面的简单句是用must have done表示推测,反意问句要根据时间判断,如果有具体的过去时间,就用一般过去式,如果没有具体的过去时间,就用现在完成时,排除AC项,因为前面肯定,所以问句是否定,选B。

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