1.We are visiting Ha Long . Ha Long is in the north of Vietnam.
=> We are visiting Ha Long, which is in the north of Vietnam.
2. My father is a doctor . He has gone to abroad .
=> My father, who has gone to abroad, is a doctor.
3. Ms Kim Anh will be our History teacher next semester . You talked with her yesterday . => Ms Kim Anh, whom you talked with yesterday, will be our History teacher next semester.
4. The watch belongs to Lam . It is in the bathroom . => The watch which is in the bathroom belongs to Lam.
5. Do you know the new student ? I can’t remember his name .
=> Do you know the new student whose name I can't remember?
6. Mary is a bit deaf . She didn’t hear the phone.
=> Mary, who didn't hear the phone, is a bit deaf.
7. We’ll meet Peter tomorrow . He has 2 brothers and one sister .
=> Tomorrow we'll meet Peter, who has 2 brothers and one sister.
8. We are talking to Viet Nam . Viet Nam has a population of 87 million people.
=> We are talking to Vietnam, which has a population of 87 million people.
9. We are talking to Viet Nam . Its population is 87 million people .
=> We are talking to Vietnam, the population of which is 87 million people.
10. I should phone the man . I borrowed his car yesterday .
=> I should phone the man whose car I borrowed yesterday.
11. She can’t speak English . It is a disadvantage .
=> She can't speak English, which is a disadvantage.
12. I’m staying with Henry . His father works in a bank
=> I'm staying with Henry, whose father works in a bank.
13. Do you remember Mrs Lan ? She taught us History.
=> Do you remember Mrs Lan who taught us History?
14. The museum was built in 1805 . Our class visited it last weekend.
=> The museum which our class visited last weekend was built in 1805.
15. The man works in the hospital . I told you about him .
=> The man whom I told you about works in the hospital.
16. Do you like the person ? The person sits next to you .
=> Do you like the person who sits next to you?
17. The house costs a lot of money . My father bought it last year .
=> The house which my father bought last year costs a lot of money.
18. We are visiting the children . Their parents died in the storm .
=> We are visiting the children whose parents died in the storm.
19. My sister is rather childish . She was trained to be a sewer .
=> My sister, who was trained to be a sewer, is rather childish.
20. Colin told me about his new job . He enjoys it very much .
=> Colin told me about his new job, which he enjoys very much.
21 . We know a lot of people . They live in London .
=> We know a lot of people who live in London.
22. We know her grandparents . They live in London.
=> We know her grandparents who live in London.
23. We met some people . Their car had broken down .
=> We met some people whose car had broken down.
24. We stayed at the Cau Vong hotel . Nam recommended it to us .
=> we stayed at the Cau Vong hotel, which Nam recommended to us.
25. Jane works for a company . It makes shoes .
=> Jane works for a company which makes shoes.
26. She told me her address . I wrote down it on a piece of paper .
=> She told me her address which I wrote down on a piece of paper.
27. There are some words . They are very difficult to translate.
=> There are some words which are very difficult to translate.
28. John is one of my closest friends . I have known him for a very long time .
=> John, whom I have known for a very long time, is one of my friends.
29. A pacifist is a person . He believes that all wars are wrong .
=> A pacifist is a person who believes that all wars are wrong.
29. What is the name of the man ? You borrowed his car .
=> What is the name of the man whose car you borrowed?