第1个回答 2014-02-10
英文是： be busy in something, be busy in doing sth.
例句：
He is busy in his work.
第2个回答 2014-02-10
be busy doing sth. 满意给好评哦。
第3个回答 2014-02-10
be busy with sth=be busy doing sth
望采纳
第4个回答 2014-02-10
有这几种说法：
be busy with/doing sth；
be busy with sth；
sb be engaged in doing sth；
be busy doing sth