A-A+ 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。