Is this your ruler? No,it isn't.（I）( )is at

分类: 作业答案 • 2021-11-25 09:32:51

问题描述：

Is this your ruler? No,it isn't.（I）( )is at
Is this your ruler?
No,it isn't.（I）()is at home.

答

Mine为什么不是my？？我的东西应该用mine