be busy doing sth.造句

be busy doing sth.造句

• 1、be busy doing sth.(的意思都是“忙于做某事”。)
• 2、Her mother is busy cooking in the kitchen.be busy doing sth.(忙着做某事（她的母亲正在厨房忙着做饭。）) 【hao86.com好工具】