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1. The flat in which he lives is very dirty.
2. This is Jack with whom I stayed during the summer.
3. Helen is the girl about whom I have talked to you.
4. The music to which you are listening sounds really interesting.
5. I'm waiting for the bus on which I go to work.
6. That is the house in which I lived when I was young.
7. The man for whom she works is called Eric.
8. The boy with whom I go to school is very nice.
9. Most of the people who live in Australia speak German.
10. The bus which goes to Oxford isn't running today.
11. I don't like the man who is going out with my sister.
12. Michelangelo, who lived until he was 90, is one of Italy's greatest artists.
13. Mary was staying with her friend who has a big house in Scotland.

14. The person who interviewed me asked me some very difficult questions.
15. Charlie Chaplin, who was from a poor family, became a very rich man.
16. The 1992 Olympics were held in Barcelona, which is in the north-east of Spain.
I/
1. I don't like people arriving late.
2. I live in a house built a century ago.