be busy doing sth.忙于做某事,用英语造句

如题所述

  be busy doing sth.忙于做某事用英语造句如下:
  They are busy doing their homework.
  他们正忙于做作业。
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第1个回答  2016-09-11
He is busy doing his homework.
第2个回答  2022-03-27
The experts are still busy working out the root cause of the whole case which remains unknown in the aftermath.
第3个回答  2016-09-12
they are busy preparing for the coming exam
第4个回答  2016-09-11
i am busy working

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