be busy 什么 on还是of还是for还是with
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be busy 什么 on还是of还是for还是with
be busy 什么 on还是of还是for还是with
be busy 什么 on还是of还是for还是with
be busy doing sth.
be busy with...
固定搭配
be busy doing sth
be busy with sth
be busy with
忙于
She's busy with some important work.
她正忙于一些重要工作。
另有
be busy in
忙于
He is busy in preparing for the examination.
他忙着准备考试。
be busy doing sth忙于做某事
希望可以帮到你,谢谢~!!
不要这么懒啊~找本字典一翻就找到了的
be busy at/with sth.
be busy doing sth.
都是忙于某事的意思
be busy 什么 on还是of还是for还是with
be busy+in还是on还是at还是不加
BE busy with 还是 BE busy to
be busy加什么?be busy是接doing sth还是to do sth?
be busy doing还是be busy to dokuai
be busy to do 还是 be busy doing
be busy with study还是be busy at study be busy with与be busy at的区别是什么?
be find of doing还是be find on doing
he is always busy___ (work)是用be busy doing sth还是 be busy with sth
是be busy doing sth还是be busy to do sth?
存不存在be busy on
the teacher gave me a piece of paper to write on,还是to be written on?
是be focus on 还是focus on
focus on还是be focus on
be busy 加什么
The knots of your package must be tied tightly.应该是of还是on?
be busy doing sth 中的busying是动名词还是现在分词,这里面得busy是形容词还是动词?
是on the fourth of february还是什么