Since this road is wet and slippery this morning, it _____ last night. (QE04-11-35)
A.must rain B.was raining C.must have rained D.may rain正确答案C
Since this road is wet and slippery this morning, it _____ last night. (QE04-11-35)
A.must rain B.was raining C.must have rained D.may rain正确答案C