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we must keep the classroom cleaning every day,改错
人气：383 ℃ 时间：2019-11-03 05:04:15
解答
we must keep the classroom clean every day
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改错：We must keep the classroom cleaning erery day.
We must keep our classroom (clean) every day
the classroom must _____(keep)clean every day
we must keep the classroom______- A.clean B.to clean C.cleaning D.cleaned
we must clean the classroom every day 同义句
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