―Look!Thecloudsaregathering.―Yes,I’mafraidit

问题详情：

 ―Look! The clouds are gathering.

―Yes, I’m afraid it ______ be pouring down soon.

A. need                      B. must                   C. should                    D. might

【回答】

知识点：虚拟语气与情态动词

题型：选择题