it's wrong_____you to 填 of 还是for.work in,work on ,work at （不知道有没有这种用法）区别.说明理由,明天期末,要确定对啊- -

it's wrong_____you to 填 of 还是for.work in,work on ,work at （不知道有没有这种用法）区别.说明理由,明天期末,要确定对啊- -
it's wrong_____you to 填 of 还是for.
work in,work on ,work at （不知道有没有这种用法）区别.说明理由,明天期末,要确定对啊- -

it's wrong_____you to 填 of 还是for.work in,work on ,work at （不知道有没有这种用法）区别.说明理由,明天期末,要确定对啊- -
用of 意思是：你做...是错误的.谢谢您的支持!