题目

when the storm comes,all window_____
A.ought to be closing
B.ought to closing
C.ought to be closed
D.ought to closed
选那个?为什麼?
求个明白.

提问时间：2020-11-08

答案

C.
When the storm comes,all window ought to be closed.
全句的意思是 当暴风雨来临的时候,所有的窗户都应当被关闭.
be closed = 被关闭