Look at that( )(he)is Betty's father.括号中填什么

问题描述:

Look at that( )(he)is Betty's father.括号中填什么
These are Chinese book .They( )(we) books.
This is Li Yan's mother.Tha's ( )(she) teather.
Can you spell ( )(you)name?
急用!

1.He 做主语
2.are my
3.her
4,.your