有没有be busy with doing sth?

有没有be busy with doing sth? be busy in 的用法?它和be busy doing, be busy with有什么区别? 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 有没有be busy to do sth. 有没有be busy doing这个词组 BE busy with 还是 BE busy to be busy to do有没有这种形式,be busy doing 有啥区别 用be busy with 造句 be busy with的近义词? 有没有be busy in doing sth.（忘了-_- 到底有没有be busy to do这个结构, be busy with与be busy doingD的区别 be busy with sth 与be busy doing sth be busy with和be busy for的区别