They should turn off the light upon leaving the room, and turn off the faucet after washing their hands, and not litter around.
他们应该出门关灯，洗完手关水龙头并且不能乱扔垃圾。
They should turn off the light upon leaving the room, and turn off the faucet after washing their hands, and not litter around.
他们应该出门关灯，洗完手关水龙头并且不能乱扔垃圾。
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