The door remained . I didn’t know where he had gone to .A. closedB. closingC. closeD. to b

发布时间：2020-08-15 01:34:59

The door remained     . I didn’t know where he had gone to .
A. closed
B. closing
C. close
D. to be closed

网友回答

(答案→)A. closed
B. closing
C. close
D. to be closed
解析：remain是系动词,它后面要跟形容作表语,这里的closed是形容词.
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