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2. Stand up.
3. Sit down.
指向
起立
坐下
4 please
请
Point to the blackboard.
Point to the chair.
Point to the desk.
Point to the window.
Point to the blackboard.
Point to the chair.
Point to the desk.
Point to the window.
Please stand up.
Please sit down.
and
和，并且
please
请
chair
椅子
Point to the window.
Point to the door.
Point to the desk.
Point to the blackboard.
1.
2.
3.