"be busy with doing "与"be busy doing "区别

be busy with doing 与be busy doing 区别 be busy with sth 与be busy doing sth 有没有be busy with doing sth? busy的用法be busy with后面加什么词be busy in doing与be busy with doing与be busy doing有什么区别 be busy in 的用法?它和be busy doing, be busy with有什么区别? 1.be busy(in )doing 2.be busy to do 3.be busy with 4.be busy for区别? be busy doing sth/with sthbe busy doing sth 后跟动词be busy with sth 后跟名词麻烦谁能造个句子 be busy doing造句 “使忙于”用英语怎么说?要动词,别说be busy doing be busy with be busy doing sth和be busy with sth这两个句式的意思和用法 he is always busy___ (work)是用be busy doing sth还是 be busy with sth be busy with sth 与be busy doing sth的区别 be busy with sth.be busy doing sth.这两句怎么解释?两句意思是否一样? be busy doing sth和be busy with sth这两个句式的意思和用法, be busy doing sth和be busy with sth用法详细讲解 be busy with sth 与be busy doing sth的区别 ,可以互换吗 1.be busy doing sth 2.be busy with sth分别造个句, be busy with doing 和be busy in doing 在用法上有何区别如题