Mr.Liis busy _some important work in his office.nowAat b.for c,with选?why

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Mr.Liis busy _some important work in his office.nowAat b.for c,with选?why
Mr.Liis busy _some important work in his office.nowAat b.for c,with选?why

Mr.Liis busy _some important work in his office.nowAat b.for c,with选?why
c
这是busy的固定用法:be busy with sth.
即忙于某事
另有be busy doing sth.
即忙于做某事

选C。

忙于做某事 be busy with sth 固定搭配。

O(∩_∩)O哈哈~

with,be busy with sth,忙于...

选C。be busy with(sth)是忙于做某事之意。希望能够帮上您!

with

选择C,with
be busy with sth. 忙于做某事的~固定搭配(*^__^*)

with;
with+名词短语解释说明“busy”的内容,不用for是因为for后面加从句,表解释说明。at在此处无法解释。

with, be busy with sth 固定搭配