选择恰当的句子完成对话。

A. What's your job? B. Nice to meet you. C. You have to be very strong. D. Do you work in Shenzhen? E. What subject do you teach?

It's Sunday afternoon. John and Mr. Baker are on the train to Shenzhen.

John: Good morning. My name is John.

Mr Baker: Good morning. My name is Sam Baker.

John: Nice to meet you, too.

Mr Baker: No. I work in a primary school in Chengdu. I'm a teacher.

John:

Mr Baker: I teach English and Music.

John: I'm a student. I want to be a policeman in the future.

Mr Baker: To be a policeman?

John: I play sport every day.