what are you busy doing?改为同义句 whar are you (

问题描述:

what are you busy doing?改为同义句 whar are you (
what are you busy doing?改为同义句 whar are you ( ) ( could you please post the letter for me?做出肯定回答 sure,( ) ( ).

更正二的回答并 解析:be busy doing sth.(忙于做某事)=be busy with sth (忙于某事)
1、What are you busy doing?改为同义句
2、 What are you ( busy ) ( with
3、 Could you please post the letter for me?
做出肯定回答 :Sure,I could.