Đáp án là:

1. great

2. friendly

3. met

4. souvenirs

5. took

1.Cars cause pollution,people still want them (although)

-> Although cars cause pollution, people still want them

2.Ba ate a lot of food.He wasn very hungry (although)

-> Although Ba ate a lot of food, he was very hungry

3.the novel has been lost.you gave me that novel on my birthday(which)

-> The novel which you gave me on my birthday has been lost

4.Miss lien is my english teacher. she sings very well (who)

-> Miss Lien who is my English teacher sings very well

5.viet nam exports rice.viet nam is in south-east asia (which)

-> Viet Nam which is in south-east asia exports rice

6. the boy is my friend . I borrowed his book last week(whose)

-> The boy whose book I borrowed last week is my friend

7.the men the elephants are from china.you saw them on TV last night (that)

-> The men and the elephants that you saw on TV last night are from China

8. do you remember the teacher.you met him at the station(whom)

-> Do you remember the teacher whom you met at the station?

VN has a lot of rain

No girl in my class is as fat as Hang

 1.Vietnam has lots of rain.

2 . No girl in my class is as fat as Hang.

Join the sentences using relative pronouns (who, which, whom, that)

1. This morning I missed the train. I usually catch this train.

=> This morning I missed the train which i usually catch

2. The bed has no mattress. I slept on that bed.

-> The bed which I slept on has no mattress

3. This woman is a doctor. She often treats the poor.

-> This woman who often treats the poor is a doctor

4. I don't like the stories. The stories have unhappy endings.

-> I don't like the stories which have unhappy endings

5. Do you remember the teacher? You met him at the station.

-> Do you remember the teacher whom you met at the station?

6. This is Mr Smith. He helped me do the work.

=> This is Mr Smith who helped me do the work

7. The novel is interesting. My uncle wrote the novel.

-> The novel which my uncle wrote is interesting

8. Da Lat is one of the most beautiful cities of Viet Nam. It has a lot of waterfalls.

-> Da Lat which has a lot of waterfalls is one of the most beautiful cities of Viet Nam

9. I bought a new computer. It cost me a lot of money.

-> I bought a new computer which costs me a lot of money

10. Nam lent me this book. He is a friend of mine.

-> Nam who is a friend of mine lent me this book

1. She is the most intelligent woman. I've ever met this woman

 She is the most intelligent woman (that) I’ve ever met

2. This doctor is famous. You visited him yesterday

This doctor, whom you visited yesterday, is famous.

3. These children are orphans. She is taking care of these children

These children,whom she is taking care of, are orphans

4. My father goes swimming everyday. You met him this morning

My father, whom you met this morning, goes swimming everyday.

5. the man is my father. I respect this man most

The man whom I respect most is my father

6. The man is my father. I respect this opinion

The man whom I respect most is my father

7. Mary and Margaret are twins. You met them yesterday

 Mary and Margaret whom you met yesterday are twins

8. The boy is my cousin. You make fun of him

. Mary and Margaret whom you met yesterday are twins

9. The students is from China. He sits next to me

 The student who sits next to me is from China.

10. I thanked th woman. This woman had helped me

 I thanked the woman who had helped me

11. The professor is excellent. I am thalking his course

 The professor whose course I am taking is excellent

12. I saw a lot of people and horses. They wnet to market

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

13. Tom has three sisters. All of them are married

 Tom has three sisters, all of whom are married.

14. Do you know the music? It is being played on the radio

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

1Do you know the music, Which is being played down the radio.

2. A plane,which was carrying 120 passengers crashed into the sea yesterday.

3.I would like to say sorry a boy, whose toy was broken by me yesterday.

4. The girl, who chatted with him yesterday arrived here at 7a. m

5. The young man,who rides an expensive motorbike, lives on the corner.

6.The boy whom I met at the party last night is a my friend's brother.

7.I won the scholarship which amazed everyone in my family.

PASSIVE

1 My bedroom has been decorated.

2. They have always been driven to the airport by Andy.

3. The bank near our house has just been robbed.

4.That fim hasn't recently been seen.

5.A lot beautiful flowers have been bought by my mother

1)The baby can't drink the Milk because it is so hot (use too.... to)

-..The milk is too hot for baby to drink..

2)they grow a lot of Coffee trees in the central highlands

-A lot of Coffee trees..are grown in the central highlands....

3)He does not have a car, so he takes a bus to Word

-If he..has a car,he will not take a bus to work..

4)Nam said to Hoa, "Please help me with this question"

-Nam asked..Hoa to help him with that question...

1)The baby can't drink the Milk because it is so hot (use too.... to)

- The milk is too hot for the baby to drink

2)they grow a lot of Coffee trees in the central highlands

-A lot of Coffee trees is grown in the central highlands

3)He does not have a car, so he takes a bus to Work

-If he had a car, he wouldn't take a bus to work

4)Nam said to Hoa, "Please help me with this question"

-Nam asked Hoa to help him with that question

1. My sister is so young that she can't go to school alone.

2. I have met so many people that I can't remember all their names.

3. The coffee is so strong that my father can't drink it.

4. I was so tired that I couldn't watch TV last night.

16. Thank you very much for help me, boy!

->   Thank you very much for helping me, boy!

17. Jogging is one of the most popular sport in Viet Nam today.

->   Jogging is one of the most popular sport in Viet Nam nowadays.

18. Mary asked me how did I go to school every day

->   Mary asked me how I went to school every day

19. The novel writing by Mark Twain atracts a lot of children.

->   The novel writen by Mark Twain atracts a lot of children.

20. They have moved nothing in your room while they sent you to the hospital. 

->   They have moved nothing in your room since they sent you to the hospital.