To my surprise, he turned up in the room without .A. noticedB. being noticedC. noticingD.

发布时间：2020-08-15 02:06:27

To my surprise, he turned up in the room without     .
A. noticed
B. being noticed
C. noticing
D. to be noticed

网友回答

A. noticed
(答案→)B. being noticed
C. noticing
D. to be noticed
解析：介词without后面跟名词或动名词,这里用动名词的被动形式.being noticed
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