Nurses and doctors work at the ...

The mayor works at the ...

A librarian works at the ...

A firefighter works at the ...

A police officer works at the ...

A postal worker works at the ...

A shop assistant works at a ...

A pilot works on a ...

A waiter/waitress works at a ...

A bus driver works in a ...

A farmer works at the ...

A miner works at the ...

A lumberjack works at the ...

A scientist works at the ...

A carpenter works at the ...

A fisherman works in a ...

A teacher works at the ...