Mom works in this place.
a Store
Who works in the Store?
Mom
The doctor works in this place. What is this?
a Hospital
The Firefighter works in this place.
a Fire Station
Who works in a Fire Station?
Firefighter
Who works in the Police Station?
Police officer
The Pilot works in this place.
Airport
Who works in the Hospital?
Doctor
The Police officer works in this place.
Police Station
Who works in the Airport?
Pilot