I've looked for my pen everywhere,but I find it.A.couldn't B.can't C.mustn't D.didn't

I've looked for my pen everywhere,but I find it.A.couldn't B.can't C.mustn't D.didn't
其他人气:549 ℃时间:2019-10-17 03:55:52
优质解答
B.can'tA为啥错现在完成时作为前提,相当于现在还在持续,因此不能用过去时来结尾。
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