看下这个选择题!

来源：百度知道编辑：UC知道时间：2024/06/05 22:51:07

I was _____ the classroom _____ the head teacher stopped me.
A. leaving; while B. about to leave; when
C. leaving; then D. about to leave; while

B
就在我即将要干什么的时候,怎么怎么样了
be about to do sth when...

选B
be about to 的意思是即将
when 用于某个时间点

B be about to……意为正要……，刚要……
when这里作就在那时解

B. about to leave; when
be about to do sth when...是固定用法