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In the classroom
在教室
Clean the blackboard, Clean the blackboard.
擦黑板，擦黑板
Close the door, close the door.
关门，关门
Open the window, Open the window.
开窗，开窗
Very good, Very good.
非常好，非常好
Clean the blackboard, Clean the blackboard.
擦黑板，擦黑板
Close the door, close the door.
关门，关门
Open the window, Open the window.
开窗，开窗
Very good, Very good.
非常好，非常好
