his brother works_________ an engineer at a car factory
问题描述:
his brother works_________ an engineer at a car factory
A: asB: at C: in D:on
选哪个?为什么?
答
a
作为一名工程师
助你学习进步什么情况下as当作为讲?一般的时候加“职业”就表示作为的意思