1. Her brother is a cook.
2. His grandpa is a worker.
3. Look! My father is a doctor.
4. M: What is your father, Lili?
W: He is a driver.
5. M: Is your brother a policeman?
W: No, he isn’t. He is a farmer.
6. M: Who is he?
W: He is my brother. He is a policeman.