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Guessing game
What does he do?
factory
He is a worker.
She works in the police station.
She works in her office.
What does she do?
She's a police officer.
police officer
policeman
policewoman
The man works in a post office. He often sends post cards and letters.
He's a postman.
What does he do?
postman
postwoman
His name is Ma Yun.
He has a big company.（公司）
He's a businessman.
What does he do?
（商业）
businessman
businesswoman
Make a summary
1.在部分动词后加上er或r, 表
示从事这一工作的人。如:teacher
2.部分名词后加man或woman,也表示从事这一工作的人。如:fisherman
sing
er
play