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最佳答案:e busy to do
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最佳答案:be busy doing sth正忙于做某事造句:I'm busy watering my flowers,so I have no time helping
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最佳答案:e busy with +名词 be busy doingShe is busy with her homeworkMy mother is busy cook
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最佳答案:My father is always busy on weekdays .期中是短语be busy比如:be interestingthey are enjo