1, We stayed in a hotel which was very expensive.

2, The man whose son we play with everyday is an architect.

3, She is riding on the elephant which was carried from India.

4, Trinh Cong Son composed songs which are greatly liked by millions of Vietnamese people.

5, On New Year’s Day children like wearing clothes which are new and comfortable.

6, Susan is the girl who is good at learning foreign language.

7, Champagne, which is drunk at a New Year’s Eva party, is a French drink.

8, I like Autumn in which leaves become red and fall.

9, The suitcase which his son cannot carry upstairs is too heavy.

10, We’ll take you to the seaside where you can enjoy pure air.

11, My younger sister, whom you met at my house last week, has just got married.

12, Last week I return to my village where I was born forty years ago.

13, That man, whose house is near mine, is an experienced doctor.

14, Do you remember the day when we first met?

15, The girl who rehearsed the play yesterday are performing it.

16, The student kept talking about the project which was done last week.

17, The lady who went on a picnic which us last week is a teacher at our school.

18, This is the fishing village where she met her lover ten years ago.

19, I come from a city which is located in the southern part of the city.

20, The reporter who appreared on TV last night has just interviewd me.

21, I’m looking for the dogs which have disappeared for 2 days.

22, The plants which are in the living room need a lot of water.

23, Have you ever spoken to people who live nextdoor?

24, It’s a book which will interest children of all ages.

25, The people who live nextdoor keep having all night parties.

26, These are the keys which open front and back doors.

27, Here is an article which might interest you.

28, Where are the eggs which are in the fridge?

29, Where is the girl who sells the tickets.

30, Half of the people who were invited didn’t appear.

31, The festival which is in late March or early April  is called Easter.

32, The man who shot two police men has gone to prison.

33, The buildng which was destroyed in the fire has now been rebuilt.

34, The book which has all the answer has disappeared.

35, We climbed over the fence which separates the field.

36, I’m going to give the boy who found my camera some money.

37, We ought the house which stands by the river.

=>
1. We stayed in a hotel which was very expensive.
2. The man whose son we play with every day is an architect.
3. She's riding on the elephant which was carried from India.
4. Trinh Cong Son composed songs which are greatly liked by millions of Vietnamese people.
5. On New Year's Day , children like wearing clothes which are new and comfortable.
6. Susan's the girl who is good at learning foreign languages.
7. Champagne, which is drunk at a New Year's Eve party, is a French drink.
8. I like autumn when leaves become red and fall.
9. The suitcase which his son cannot carry upstairs is too heavy.
10. We'll take you to the seaside where you can enjoy pure air.
11. My youngest sister whom you met at my house last week has just got married.

12. Last week I returned to my village where I was born forty years ago.
13. That man whose house is near mine is an experienced doctor.
14. Do you remember the day when we first met?
15. The girls are performing the play which they rehearsed yesterday.
16. The student kept talking about the project which was done last week.
17. The lady who went on a picnic with us last week is a teacher at our school.
18. This is the fishing village where she met her lover ten years ago.
19. I come frm a city which is located in the southern part of the country.
20. The reporter who appeared on TV last night has just interviewed me.
21. The dogs which I'm looking for have disappeared for 2 days.
22. The plants which are in the living room need a lot of water.
23. Have you ever spoken to people who live next door?
24. It's a books which will interest children of all ages.
25. The people wwho live next door keep having all night parties.
26. These are the keys which open the front and back doors.
27. Here is an article which might interest you.

28. Where are the eggs which are in the fridge?
29. Where is the girl who sells the tickets?
30. Half of the people who were invited didn't appear.
31. The festival which is in late March or early April is called Easter.
32. A man who shot two police men has gone to prison.
33. A building which was destroyed in the fire has now been built.
34. The book which has all the answers has disappeared.
35. We climbed over the fence which seperates the fields.

36. I'm going to give the boy who found my camera some money. 
37. The house which we bought stands by the river.