问题描述：
下列各句均有一处错误,请指出并改正
1.How did the tercher do with the boy?
2.Lucy asked me writing a piece of muic for her.
3.The man became good friends and these children.
1.How did the tercher do with the boy?
2.Lucy asked me writing a piece of muic for her.
3.The man became good friends and these children.
问题解答：
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