writing
be busy doing sth=be busy with sth忙于做某事
祝你進(jìn)步,有不會的可以再問我哦
l haven‘t heard from tom recently,l know he is too busy____(write） 說明理由
l haven‘t heard from tom recently,l know he is too busy____(write） 說明理由
英語人氣：780 ℃時間：2019-09-25 08:36:25
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