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The alarm clock didnt ring this morning. You______it last night.A.need to have forgotten t

2020-09-28 00:57:59 外语考试 阅读

问题详情

The alarm clock didnt ring this morning. You______it last night.

A.need to have forgotten to wind

B.may have forgotten winding

C.ought to have forgotten to wind

D.must have forgotten to wind

请帮忙给出正确答案和分析,谢谢!

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