注意：此页面搜索的是所有试题
题目内容
（统招专升本-----英语）
Since the road is wet this morning, ______ last night.
A. it must have rained B. it must rain C. it must be raining D. it must have been rained
A. it must have rained B. it must rain C. it must be raining D. it must have been rained
参考答案