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问题: open

----You look upset.What's wrong with you?
----The door_____.Can you help me?
A won't open
B won't be open
C can't open
D can't be opened

这道题目似乎ABCD都行啊,真是的,我该怎么选啊

解答:

A
open在这里不用被动语态,因为本句说的是门的特征是:关不上。所以我们把它当系动词来看待。