文档介绍：Unit 2 Cleaning Day
blackboard
chair
desk
window
door
classroom
blackboard
desk
chair
window
door
Unit 2 Cleaning Day
blackboard
chair
desk
window
door
classroom
blackboard
desk
chair
window
door
Singing, singing, he is singing.
Dancing, dancing, he is dancing.
Running, running, they are running.
动词加ing表示正在进行
Let’s clean the classroom
clean the window
Sally is cleaning the window.
clean the desk
Lily is cleaning the desks.
clean the chair
Yang Ming is cleaning the chair.
clean the door
Wang Tao is cleaning the door.
clean the blackboard
He is cleaning the blackboard.
stand 站
He is standing on a chair.
stand
She is standing on a chair.
They are cleaning the windows.