Mr Smith is busy ____ his office

来源：百度知道编辑：UC知道时间：2024/06/07 15:30:58

A in B with并说明原因
写错了,最后应该再加一个work,前面我抄的时候断句没断好

be busy with sth忙于某事

固定搭配

给你些例句更好
You must be very busy with your call.
你一定是忙着应酬吧。
She's busy with some important work.
她正忙于一些重要工作。

be busy(in) doing sth 忙于做某事

He is busy in preparing for the examination.
他忙着准备考试。
with sth.和in doing sth.比较常见

所以选择with

B
be busy with sth= be busy doing sth忙于做某事
与in没有搭配的词组

b在..地方
busy with sth

in.在他的办公室嘛~~~
IN是方位代词,OFFICE是地点啊

A in
be busy with的意思是忙于做什么加具体的事情
他不是忙与办公室是在办公室里很忙

B be busy with doing 是一个词组意思是忙于做某事。
意思也就是忙着在办公室里工作

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