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Since the road is wet this morning __ last ni

2022-08-06 11:50:00 问答库 阅读 179 次

问题详情

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

参考答案

正确答案:C
对过去发生的事作肯定的判断时,用must have done。

考点: