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Sit down,please
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Close the door,please!
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Don't look at the window!
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Open your book,please!
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Turn to page 2,please!
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Pack your bag,please!
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Stand up!
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Point to the blackboard ,please!
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Turn off the light,please!
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Pack your bag,please!
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Turn on the light, please!
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Clean the board,please!
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Look at the teacher,please!
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May I come in,please?
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Clean the board, please!
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May I come in ?
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Don't talk with your friends in the classroom!