英语 翻译 be busy doing sth

英语 翻译 be busy doing sth be busy doing造句 be+busy+doing=be+( )+( “使忙于”用英语怎么说?要动词,别说be busy doing be busy with 关于一个疑惑的英语短语的区别be busy with doing sth和be busy doing sth区别? be busy doing 和 be busy in doing 的区别? be busy with doing 与be busy doing 区别 be busy doing等于什么 be busy doing sth 例句 be busy in doing sth be busy doing 过去式+造句 翻译：be busy shopping be busy with sth 与be busy doing sth be busy doing还是be busy to dokuai 为什么是be busy doing而不是be busy to do be busy to do 还是 be busy doing 有什么英语词组像be busy doing sth ,反正就是be.doing sth的词组越多越好 be busy doing sth 与be busily doing的区别