题目内容

The ground isn't wet. It ________ have rained last night.
A．mustn’tB．shouldn’tC．wouldn’tD．can’t
D

试题分析：考查情态动词。can’t have done 表示“不可能干某事”对过去的否定猜测。句意：地上没湿，昨晚不可能下雨。根据句意所以选D。
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