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desk
chair
window
door
1.Window ,window, window,
Point to the window.
Door , door , door ,
Point to the door.
2.Desk, desk, desk,
Point to the desk.
3.Blackboard, blackboard, blackboard,
Point to the blackboard.
Chair, chair, chair,
Point to the chair.
Clean the desk.
Clean the chair.
Clean the blackboard.
Clean the window.
Clean the door.
What does he/she do?
他/她干什么？
2.Wat is he/she doing?
他/她正在干什么？
clean the blackboard
擦黑板
cleaning the blackboard
正在擦黑板
clean the desk
擦书桌
cleaning the desks