Question

【题目】—What's your father, Peter?
—He works ______ an engineer.
A.as
B.on
C.in
D.at

Answer 1

【答案】A
【解析】句意是：—你爸爸是干什么的，彼得？—他当工程师。work as+职业名词，表示做什么工作。故选A。