用括号内所给词的适当形式填空
These are her ______ (brother).
_____ (she) ruler is under the chair.
_____(my)am a girl. My English name is Gina.
_____(this)are my grandparents.
Bob and I _____(be) friends.
This is my book, not _______(you).
These are two ______(watch).
This is ______(they) room.
The eraser is on _____(Bob) desk.
_____(that) are my brother and sister.