问题描述：
急用!thanks.
把下面句子改为一般疑问句
We are middle school student.
Children should help parents to do some housework.
I can paly the piano.
Simon likes palying chess.
The students paly basketball on the playground.
把下面句子改为一般疑问句
We are middle school student.
Children should help parents to do some housework.
I can paly the piano.
Simon likes palying chess.
The students paly basketball on the playground.
问题解答：
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