be busy with的近义词?

be busy with的近义词? be busy with与be busy doingD的区别 be busy with和be busy for的区别 be busy with study还是be busy at study be busy with与be busy at的区别是什么? be busy in 的用法?它和be busy doing, be busy with有什么区别? be busy with sth的中文 be busy with sth.的应用 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 with sth be busy with be busy with sth be busy with英译汉 BE busy with 还是 BE busy to be busy with和be busy at 的区别快,急 be busy doing sth和be busy with sth这两个句式的意思和用法 be busy with sth 与be busy doing sth的区别 be busy doing sth和be busy with sth这两个句式的意思和用法, be busy with sth 与be busy to do sth的区别