Since the road is wet this morning, last night it must

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问题 Since the road is wet this morning, last night it must

选项 A、be raining
B、rain
C、have rained
D、have been rained

答案C

解析 考查must have done结构。此结构是对过去事情的肯定推测,为主动语态结构,must have been done为其被动语态结构。
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本试题收录于: 英语题库普高专升本分类
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