1. A bus goes to the airport.  It runs every half an hour.

=> A bus which runs every half an hour goes to the airport.

2. Petr is studying French and German. He has been abroad.

=> Petr, who has been abroad, is studying French and German. 

3. You’ve all met Michael Wood. He is visiting us for a couple of days.

=> You’ve all met Michael Wood, who is visiting us for a couple of days.

4. We are moving to Manchester. Manchester is the North West.

=> We are moving to Manchester, which is the North West.

5. I’ll stay with Adrian. His brother is one of my closet friends.

=> I’ll stay with Adrian, whose brother is one of my closest friends.

6. The Earth is a planet. It can support life.

=> The Earth, which can support life, is a planet.

7. The book is about the girl. She runs away from home.

=> The book is about the girl who runs away from home.

8. The fence is made from wood. It surrounds our house.

=> The fence which surrounds our house is made from wood. 

9. The first person is Mr. Smith. We must see him.

=> The first person whom me must see is Mr. Smith. 

10. He is a famous doctor in my neighbor. You have just met his daughter last night.

=> He is a famous doctor in my neighbor whose daughter you have just met last night.

11. Tet is a big occasion. The members of family gather on this occasion.

=> Tet is a big occasion when the members of family gather.

12. New York is a famous city. Everybody wants to live in this city.

=> New York is a famous city where everybody wants to live.

13. The country is very peaceful and fresh. The old people enjoy living there.

=> The country where the old people enjoy living is very peaceful and fresh. 

14 .Trinh Cong Son composed songs. They are greatly liked by millions of Vietnamese people.

=> Trinh Cong Son composed songs which are greatly liked by millions of Vietnamese people.

NO COPY

`# Ngocha285`

1 A bus which runs every half an hour goes to the airport

2 Peter ,who is studying French and German has been abroad

3 You've all met Michael Wood, who is visiting us for a couples of days

4 We are moving to Manchester, Which is the North West

5 I'll stay with Adrian whose father is one of my closet friends

6 the Earth which can support life is a planet

7 the book is about the girl who runs away from home

8 The fence which surrounds our house is made from wood

9 The first person is Mr Smith who we must see

10 He whose daughter you have just met last night is a famous doctor in my neighbor

11 Tet when the members of family gather on is a big occasion

12 New York in which is famous city everybody wants to live 

13 the country where the old people enjoy living is very peaceful and fresh

14 Trinh Cong Son, who are greatly liked by millions of Vietmese people composed Songs

Học tốt!!!