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英语
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All the lights in the classroom ____before you leave
人气：136 ℃ 时间：2019-12-31 05:25:47
解答
must be turned off
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The lights must___before you leave the classroom
_________turn off the lights before you leave the classroom?
why do not you turn off the lights before you leave the classroom?（改为同意句）
_____you turn off all the lights when you leave the classroom.
翻译Please make sure that all the lights are turned off before you leave the classroom.
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