1. The sports which I like to watch are bullfighting and cockfighting.

2. She met her ex whom she had not seen in 25 years.

3. The boys who found the lost jigsaw piece were Dan and Don.

4. This is the knitwear which she made last week.

5. I am visiting my friend whose pet rabbit is sick with flu.

6. That is the fireman whose house was burnt down last night.

7. This is the boy whose dog chased butterflies yesterday evening.

8. I told him about the horror film which I had seen the night before.

9. I met Tommy with whom I used to argue at work.

10. He has sold his house which he thought was haunted.

11. Adam hates Eve who can't stop talking.

12. That is my aunt whose tricycle is red in colour.

13. The man who lives next door to me has fish of various sizes in an aquarium.

14. The girls who reached the top of the hill first waited for the boys to catch them up.

15. She broke the antique jug which her great grandfather bought.

16. He turned off the comedy programme which he did not think was funny.

17. He fell into a manhole which some workmen had forgotten to cover in the afternoon.

18. Mandy is my best friend with whom I share my dresses.

19. The man who saw the strange object in the sky telephoned the police.

20. This is my friend Karen whose great grandmother is still alive.