The children are having a good time, ______ with sand, others with toys． A．some of them playing B．s...
2023-02-14 18:11:09 163次 海南省2010年高三五校第二次联考 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The children are
having a good time, ______ with sand, others with toys．
A．some of them
playing B．some of them are playing
C．some of
them D．who playing
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