1. We ordered a book which was very expensive.
2. You are sitting on a bench whose paint is still wet.
3. The photographer could not develop the pictures which he had taken inAustralia.
4. One of the bins, which you haven`t emptied for three weeks, smells awful.
5. They are singing a song which I don`t know.
6. The city, which is usually crowded, seems to be abandoned.
7. You made an offer which we cannot accept.
8. Three youngsters, who committed criminal offence, were arrested by the police.
