Who is this?
teacher
Who is this?
waiter
Who is this?
doctor
Who is this?
police officer
What is this?
work
What is this?
school
What is this?
cinema
Do you work in a hospital?
Yes, I do.
Do you work in a school?
Yes, I do.
Do you work in a police station?
Yes, I do.
Do you work in a zoo?
No, I don't.
Do you work in a restaurant?
Yes, I do.
Do you work in a pet shop?
No, I don't.
Do you work in a supermarket?
No, I don't.
