Question

It ______ heavily when he got back home for he was wet all5over.

A. was raining　　　　　　　　　 B. must have been raining

C. must be raining　　　　　　　　 D. rained

 

Answer 1

B

 

考查情态动词的用法。此处must have been raining表示对过去事实的推测。句意：他到家时全身都湿了，那时天一定在下雨。