Complete the sentences. Use the information in brackets.
An aeroplane is a (machine, flies, that).
machine that flies
A thief is a person who steals things.
Do you know anybody who can play the piano?
I know somebody who knows you.
The people who work in the office are very friendly.
I met a woman who can speak six languages.
Jim was wearing a hat that was too big for him.
Jim was wearing a hat which was too big for him.
An aeroplane is a machine that flies.
Jack lives in a house that is 500 years old.
An aeroplane is a machine which flies.