There are some children in the room.A. singingB. singC. are singingD. to sing

发布时间：2020-08-21 03:08:15

There are some children      in the room.
A. singing
B. sing
C. are singing
D. to sing

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(答案→)A. singing
B. sing
C. are singing
D. to sing
解析：本题考查的动词的现在分词短语作后置定语，故选A
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