Question

【题目】Look, it is going to rain. You'd better the windows when you leave the house.
A.close
B.to close
C.closing
D.not to close

Answer 1

【答案】A
【解析】句意：看，要下雨了。你离开房子时最好关上窗户。根据句意及题干分析You'd better后面要跟动词原形，故选A。