We can see only one of the doors .A. are openedB. is closedC. closesD. are closed

发布时间：2020-08-22 16:14:18

We can see only one of the doors     .
A. are opened
B. is closed
C. closes
D. are closed

网友回答

A. are opened
(答案→)B. is closed
C. closes
D. are closed
解析：句意：我们只能看见一扇门关着。结合语境可知门是被关的对象，故用被动语态。从句谓语与one保持一致，用单数。故选B。
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