must have done用法
must have done用法
he said that the passenger （ B ）anaccident;otherwise he would have arrived by that time.
A must have
B must have had
C would have had
D should have had
麻烦高手解释一下
he said that the passenger （ B ）anaccident;otherwise he would have arrived by that time.
A must have
B must have had
C would have had
D should have had
麻烦高手解释一下
英语人气：114 ℃时间：2020-03-27 06:28:18
优质解答
must 这个情态动词后面加动词原形有表“推测”的用法,如果是must have done就是表对“过去事情的推测”
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