1. The professor whose couse I am taking is excellent.

2. I saw a lot of people and horses who went to the market.

3. I recently went back to Paris, where I was born nearly 50years ago.

4. Do you know the music which is being played on the radio?

5. You didn't tell us the reason which we have to cut down our daily expenses.

6. The day when she left was rainy.

7. This is Mrs. Jones, whose son won the championship last year.

8. Is this the style of hair which your wife wants to have?

9. She is the woman whom I told you about.

10. The building where he works is the tallest one in town.

11. Mr. Brown, who we studied with last year, is a nice tacher.

12. This is the place where we visited last week.

13. Is that the computer which your father bought last month?

14. I've seen the little girl and her puppy who have lived next door for ages.

15. The bed which I sleep on has no mattress.

16. That is the reason why he left her.

17. The boy who won the race yesterday is very happy.

18. Mr. Mark is unhappy about the plans for the new dam, which the stream flows across his farm. (?)

19. Her father, who she looked after for over twnty years, died last year.

20. The picture which she was looking at was famous.

- $Answered$ $by$ $thieukhue$ -