用括号内所给词的适当形式填空（5分）
小题1:These are her ______ (brother).
小题2:_____ (she) ruler is under the chair.
小题3:_____(my)am a girl. My English name is Gina.
小题4:_____(this)are my grandparents.
小题5:Bob and I _____(be) friends.
小题6:This is my book, not _______(you).
小题7:These are two ______(watch).
小题8:This is ______(they) room.
小题9:The eraser is on _____(Bob) desk.
小题10:_____(that) are my brother and sister.
