Who is he?
He is a policeman.
Who is she?
She is a shopkeeper.
Who is she?
She is a teacher.
Who is he?
He is a firefighter.
Who work at the fire station?
A firefighter works at the fire station.
Who work at the shop?
A shopkeeper works at the shop.
Who are they?
They are students.
Who work at the police station?
A policeman works at the police station.
Who is he?
He is a pilot.
Who is he?
He is a doctor.
Who work at the airport?
A pilot works at the airport.
Who work at the hospital?
A doctor works at the hospital.
Who work at school?
A teacher / students work(s) at school?