which place is this?
it's a staion.
which place is it, and who works there?
it's an airport. a pilot works in an airport
which place is it, who works there?
it's a shop. a shop assistant works in a shop.
is this a fire station, who works there?
yes, it's a fire station. a firefighter works in a fire station.
which place is it, and who works there?
it's a hospital, and a doctor/nurse works in a hospital.
is this a shop, who works there?
no, it's a supermarket. a bagger works in a supermarket.
is this a fire station, and who works there?
no, it's a police station. a police officer works in a police station.
which place is this, who works there?
it's a bank. a teller works in a bank.
which place is this, who works there?
it's a zoo. a keeper works at the zoo.