Does he work in an airport?
Yes, he does.
Does she work in a police station?
Yes, she does.
Where does she work?
She works in a hospital.
Does he work in a shop?
No, he doesn't.
Does he work in a fire station?
No, he doesn't.
Where does he work?
He works in an airport.
Where does he work?
He works in a police station.