try and explain in writing what they are a kitchen, a bathroom, a flower, a key, a bedroom, a hall, a house.

a kitchen - a room where you cook.
a bathroom - a room where you wash
a flower - a beautiful plant which smells good
a key - a thing which opens a door.
a bedroom - a room where you sleep
a hall - a room where you take off your coat and where you meet your guests
a house - a place where you live