be busy (in) doing sth 和be busy with sth的意思 并做一组句子

be busy (in) doing sth 和be busy with sth的意思 并做一组句子 be busy doing sth和be busy with sth be busy in doing sth be busy doing sth/with sth be busy with sth 与be busy doing sth be busy with sth.be busy doing sth. 忙与做某事be busy doing sth\with sth 词组be busy with sth和be busy in doing有何区别 be busy with 和 be busy doing sth 意思和用法有什么区别?知道的帮忙讲下, be busy doing sth和be busy with sth用法详细讲解 be busy with sth 有没有be busy with doing sth?