-2023- 11/11

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Since the road is wet
单选题 Since the road is wet this morning,()last night.

A.it must rain

B.it must be raining

C.it must have rained

D.it must have been rain

正确答案: C

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答案解析: 对过去发生的事作肯定的判断时,用must have done。



相关知识:第二章、语法与词汇 

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