1.I am sorry I took your coat( )mistake.2.I do not have a partner to practice English ( ).在（ )内填适当的介词
问题描述：
1.I am sorry I took your coat( )mistake.2.I do not have a partner to practice English ( ).
在（ )内填适当的介词
答
by mistake 错误地
practice sth with 与、、、一起练习。
答
1.by 2.with
答
1、I am sorry I took your coat ( by ) mistake.很抱歉我拿错了你的外套.by mistake,错误地.2.I do not have a partner to practice English ( with ).我没有一个伙伴来一起练习英语.with sb,和某人一起....