问题描述：
Twin homework billy and his brother Davy are twine. they goto the same school and study
One day,the teacher asks the class to write a compositionThe name of the composition is“My Mother”.Davy is quickly.Billy doesn't want to do the work,so he just copies Davy's The next day,the teacher asks Billy:“Why is it that your composition is the same as Davy's?” “we have the same papers because we have the same mother, ”says Billy又麻烦你了 真谢谢你
One day,the teacher asks the class to write a compositionThe name of the composition is“My Mother”.Davy is quickly.Billy doesn't want to do the work,so he just copies Davy's The next day,the teacher asks Billy:“Why is it that your composition is the same as Davy's?” “we have the same papers because we have the same mother, ”says Billy又麻烦你了 真谢谢你
问题解答：
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