when the storm comes,all window_____A.ought to be closingB.ought to closingC.ought to be closedD.ought to closed选那个?为什麼?求个明白.
问题描述：
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.
答
799
答
选C
ought to=应该，后面跟动词原形，被关上=be closed
答
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