题目内容

It rained a lot during their journey,so they _______ have had a good time.
A．can’tB．must
C．shouldn’tD．might?
A
can’t＋have done表示“不可能做了/过某事”。句意为“他们旅行期间下雨很多，所以他们不可能玩得很开心”。
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