1.This is ( my ) bus.
2.This is Tom.( I ) am ( your ) friend.( Your ) eyes
are bigger than ( mine ),but her hair is longer than ( yours )
3.What can ( I ) do for you?I'd like some grapes.
4.( We ) are a student.(是不是打错了?)
5.( It ) is a dog.This is ( its )bell.
6.Mike is Helen's deskmate.He's sitting beside ( her ).
7.This is my sitting room.There are three chairs in ( it ).
这些应该是准确的啦,ls的几位填的虽然对,但ms没审题(人家说是 用合适的人称代词和物主代词填空),怎么冠词和指示代词都出来了?