The streets are all wet. It______during the night.

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问题 The streets are all wet. It______during the night.

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

答案D

解析句意：街上都湿了，昨晚一定下雨了。情态动词。对当前情况表肯定推测时一般使用must+动词原形。对于过去情况表肯定推测时一般使用must+haVe+动词过去分词。

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英语

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