Who works on a bus? The bus driver and the conductor work on a bus.
Who works in a school? Teachers, administrators, and support staff work in a school.
Who writes books? Authors write books.
Who works in a hospital? Doctors, nurses, and other medical professionals work in a hospital.
Who works in a restaurant? Chefs, waiters, and hosts work in a restaurant.
Who works with the doctor? Nurses and medical assistants work with the doctor.
Who repairs cars? Mechanics repair cars.