题目内容
(请给出正确答案)
[主观题]
【单选题】The police were told that some boys were seen ___ on the street .
A、to play
B、to be playing
C、playing
D、having been
提问人:网友pengjing668
发布时间:2022-01-07
A、to play
B、to be playing
C、playing
D、having been
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