Look! The ground is wet. It must have rained last night, ?A．hasn't it B．hadn't itC．mustn't it D．didn't it 题目和参考答案——青夏教育精英家教网—

题目内容

Look! The ground is wet. It must have rained last night, ________？

A．hasn't it B．hadn't it

C．mustn't it D．didn't it

【解析】D　考查反意疑问句。句意：看！地是湿的。昨晚一定下过雨，是不是？It must have rained last night是推测语气，可改写为I think it rained last night，可见其反意疑问部分应为didn't it，故选D项。

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