问题描述：
英语句子转换!被动语态改为主动语态的,
Is you homework often done by you at home
改为主动语态
Your wallet has been found by a little boy already .
改为主动语态
Is you homework often done by you at home
改为主动语态
Your wallet has been found by a little boy already .
改为主动语态
问题解答：
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