1.I see my bag in my classroom.Is（ ）（you）in the classroom,too?（说明原因）1.I see my bag in my classroom.Is（ ）（you）in the classroom,too?（说明原因）2.A：Are these your notebooks B：No,they aren’t.（ ）（I）are gree

1.I see my bag in my classroom.Is（ ）（you）in the classroom,too?（说明原因）1.I see my bag in my classroom.Is（ ）（you）in the classroom,too?（说明原因）2.A：Are these your notebooks B：No,they aren’t.（ ）（I）are gree
1.I see my bag in my classroom.Is（ ）（you）in the classroom,too?（说明原因）
1.I see my bag in my classroom.Is（ ）（you）in the classroom,too?（说明原因）
2.A：Are these your notebooks
B：No,they aren’t.（ ）（I）are green.（说明原因）

1.I see my bag in my classroom.Is（ ）（you）in the classroom,too?（说明原因）1.I see my bag in my classroom.Is（ ）（you）in the classroom,too?（说明原因）2.A：Are these your notebooks B：No,they aren’t.（ ）（I）are gree
1.yours .意思是你的,在此相当于your bag.
2.mine,意思是我的,在此相当于my notebooks.
mine,同理.

yours 指代你的书包
Mine 指代我的笔记本