You are too late.The film since half an hour ago.A has begun

问题描述:

You are too late.The film since half an hour ago.A has begun B has been on Cbegan D Had begun
1个回答 分类:英语 2014-10-16

问题解答:

我来补答
B
再问: 可以有所解释么...
再答: has begun和began以及Had begun是瞬息性动作,不能和一个时间段的状语的 since half an hour ago连用,排除A和C和D;有since,要用现在完成时,因为since是“自从....以来”
 
 
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