Clean the classroom up before the teacher comes.
老师到来以前请把教室收拾干净.
辞典例句
They watered the flowers and went on to clean the classroom.
他们给花浇了水,接着打扫教室.
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Six children stopped behind after class to clean the classroom.
放学后6个学生留下来打扫教室.
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The teacher asked us to clean the classroom after class.
老师要我们课后打扫教室.
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We take turns to clean the classroom.
我们轮流打扫教室.
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We clean the classroom every two days.
我们每两天打扫一次教室.
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They have clean the classroom.
他们把教室打扫过了.
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