What do they do?
They are chefs/cooks.
What does she do?
She is a web designer.
What does she do?
She is a taxi driver.
What does she do?
She is a shop assistant.
What do they do?
They are police officers.
What does he do?
He's a vet.
What does she do?
She is a librarian.
What does he do?
He is a school caretaker.
What does he do?
He is a cleaner.