--What do you do?
--I am an engineer.I work for a computer company.What about you?
--I work in a hospital. I am a doctor.
Key points
1.what do you do (for a living)?你是做什么工作的？
I am/She is /You are +a/an+职业
职业：engineer 工程师 doctor 医生
nurse 护士 reporter 记者
teacher 教师 chef 厨师
actor 男演员 actress 女演员
comedian 喜剧演员
2.work for…为某公司工作
I work for a design/sorftware company
I work for a news station.
3.work in… 在哪里工作
I work in a hospital/theater/school/restaunrant
4.Are you a/an …or (something)?
5.你呢？what/how about you? you?
