1. We’d love to visit (1)0….Canada and …(2)…the.. United States of America.

2. Yesterday we went on …(3)an….eight-hour tour to Queensland.

3. As I was walking along the street, I saw …(4)…an….10 note on ……(5)the….pavement.

4. Of …(6)the…. two films, “Home alone” is …the…(7)….. more interesting.

5. When did …the…(8)…… Stone Age end?

42 căn

ai tick mik mik tick lại cko

1. The opposite of “reduce” is ……………………………..

A. decrease B. increase C. destroy D. damage

2. Nobody is absent today, ………………………………..?

A. is he B. is she C. are they D. aren’t they

3. The team ……. by an experienced rice cook won the rice – cooking contest.

A. led B. leads C. leading D. lead

4. The prefix re – in the word reuse means ………………

A. against B. for C. no D. again

5. Farmers collect household and garden waste to make …………

A. compost B. floorcoverings C. glassware D. pipes

6. I thought you said she was going away the next Sunday, ……………………….?

A. wasn’t she B. didn’t you C. didn’t I D. wasn’t it

7. Ha Long Bay is famous for its beautiful ……island.

A. stone B. limestone C. rock D. cliff

8. I have been looking for this book for months, and ……I have found it.

A. in the end B. in time C. at the end D. at present

9. Many students found it very difficult to keep …..all the recent developments in the subject.

A. touch with B. in touch with C. touch of D. in touch of

10. Linda: “What a lovely house you have!”

Janet: “……………………………………”.

A. No problem! B. Thank you. Hope you’ll drop in

C. I think so D. Of course not. It’s not costly

1/supply the correct form of the verb in brackets using present simple tense

a.trang(be)....is...... unhappy because she(miss)..misses.. her parents very much

b. ....do you have...(you/have) any pencils

c......does... your brother(do) .do.... morning exercise every day

d........does. your father(watch) ..watch.. news on tv every night

1. This is Mrs. Jones. Her son won the championship last year.

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

2. My friends had so much fun at the festival. They wanted to go there again.

My friends who had so much fun at the festival wanted to go there again

3. Ann said that there were far too many notices. Ann's children could swim very well.

Ann whose children could swim very well said that there were far too many notices

4. Dr Oley is our family’s dentist. He is a popular dentist in the city.

Dr Oley who is a popular dentist in the city is our family’s dentist

5. Their parents are anxious about their children. The children come back late

Their parents are anxious about their childrenwho come back late

6. Mr Phong hasn’t come yet. He is supposed to be at the meeting.

Mr Phong who is supposed to be at the meeting hasn’t come yet.

7. Lan went back home. She forgot to turn off the faucet.

Lan who forgot to turn off the faucet went back home

8. My father is a doctor. He is fifty years old.

My father who is fifty years old is a doctor

9. We first went to Edinburgh. Edinburgh is the capital of Scotland.

We first went to Edinburgh which is the capital of Scotland.

10. Arthur Conan Doyle was born in Edinburgh. He wrote the Sherlock Holmes stories.

Arthur Conan Doyle who wrote the Sherlock Holmes stories was born in Edinburgh

11. Loch Ness is 37 km long. People know it for its friendly monster.

Loch Ness which People know for its friendly monster is 37 km long

12. I invited Mrs Kansas to my party. She lives next door.

I invited Mrs Kansas who lives next door to my party

13. I met Arthur Jones. His book on sports sells very well.

I met Arthur Jones whose book on sports sells very well.

14. Steve and Lynn are Americans. They own the little restaurant on Bridge Street.

Steve and Lynn who own the little restaurant on Bridge Street are Americans

15. Their story sounds incredible. It is true.

Their story which sounds incredible is true

16. Dr. Rowan has had to do all his own typing . His secretary resigned two weeks ago.

Dr. Rowan whose secretary resigned two weeks ago has had to do all his own typing

17. Harry is an engineer. His wife has just given birth to twins.

Harry whose wife has just given birth to twins is an engineer.

18. This is my friend. I was speaking of him.

This is my friend whom I was speaking of

19. Tom had been driving all day. He was tired and wanted to stop.

Tom who had been driving all day was tired and wanted to stop

20. We praised John. His performance was remarkable.

We praised John whose performance was remarkable.

21. Harry is always late for school. He was punished.

Harry who was punished is always late for school

22. Those grapes were sweet. We bought them from the market.

Those grapes which We bought from the market were sweet

23. Mr. Green is going to retire. His students like him very much.

Mr. Green whose students like him very much is going to retire

24. Samuel Johnson was the son of a bookseller. Samuel Johnson was born in 1709.

Samuel Johnson who was born in 1709 was the son of a bookseller

25. My sister is living in India. Its population is second only to China.

My sister is living in India whose population is second only to China.

26. My brother who lives in Sidney came to see me last month.

My brother who lives in Sidney came to see me last month.

27. Bob's mum who is a musician has lost her car keys.

28. Jack is my new friend. His parents come from China.

Jack whose parents come from China is my new friend

29. I’ve just met Susan. Her husband works in London.

I’ve just met Susan whose husband works in London.

1. Here is a postcard of the village. We spent three days there.

Here is a postcard of the village where We spent three days

2. This is the house. It was built by my grandfather.

This is the house which was built by my grandfather.

3. The letter reached me this morning. It was sent by my father.

The letter which reached me this morning was sent by my father

4. The woman has arrived. I was speaking of her.

The woman whom I was speaking of has arrived

5. The boys clapped heartily. They were watching the match.

The boys who were watching the match clapped heartily

6. I heard some news. The news shocked me.

I heard some news which shocked me.

7. She is a well-known writer. Her novels always top the list of best sellers.

She is a well-known writer whose novels always top the list of best sellers.

8. This is the cat. The cat killed the rat.

This is the cat which killed the rat.

9. I saw a man. The man had lost one leg.

I saw a man who had lost one leg.

10. She said that the men were thieves. This turned out to be true.

She said that the men were thieves, which turned out to be true.

11. The boy is my nephew. You met him at the party.'

The boy whom You met at the party is my nephew

12. They rowed across the Atlantic. This had never been done before.

They rowed across the Atlantic, which had never been done before.

13. The storm damaged the lorry. Its driver is a friend of mine.

he storm damaged the lorry whose driver is a friend of mine.

14. The women prayed aloud all night. This kept us awake.

The women prayed aloud all night, which kept us awake.

II. NON-DEFINING RELATIVE CLAUSES:

1. Freddie Mercury died in 1992. He was a famous singer.

Freddie Mercury , who was a famous singer,died in 1992

2. The Eiffel Tower is a famous French landmark. The Eiffel Tower was built by Gustave Eiffel.

The Eiffel Tower , which was built by Gustave Eiffel , is a famous French landmark

3. Picasso is known all over the world now. His paintings were not understood at first.

Picasso , whose paintings were not understood at first, is known all over the world now

4. Madrid is the capital of Spain. The President lives in Madrid.

Madrid, where The President lives, is the capital of Spain

5. Tom Cruise is a famous actor. Tom Cruise’s wife is also an actress.

Tom Cruise , whose wife is also an actress, is a famous actor.

6. My friend came to the party. He's a policeman.

My friend, who is a policeman, came to the party

7. My car was very expensive. It's a Mercedes.

My car , which is a Mercedes, was very expensive

8. The Red Lion is a pub. We met in it for a drink.

The Red Lion , where We met for a drink , is a pub.

9. I met Mr Da Silva. He is President of Brazil.

I met Mr Da Silva, who is President of Brazil.

10. Our television set is always making funny noises. It cost us a lot of money.

Our television set , which cost us a lot of money, is always making funny noises

1. I sent you a postcard. It was written on the summit of Ben Nevis.

I sent you a postcard which was written on the summit of Ben Nevis.

2. I need to meet the boy. The boy is my friend’s son.

I need to meet the boy who is my friend’s son.

3. The house belongs to me. Its roof is very old.

The house whose roof is very old belongs to me

4. I live in a city. I study in this city.

I live in the city where i study

5. The bar in Barcelona is still there. I met my wife in that bar.

The bar in Barcelona where I met my wife is still there

6. I remembered the man. I had seen him at the concert.

I remembered the man whom I had seen at the concert.

7. We visited the town. We were born there.

We visited the town where We were born

8. She was greatly influenced by her father. She adored h im.

She was greatly influenced by her father who She adored

9. I met a man. He had just lost his job.

I met a man who had just lost his job.

10. You need something. I will give you that.

You need something which I will give you

11. We got into a train. I was crowded.

We got into a train which was crowded.

12. The officer has informed the police. His car was stolen.

The officer whose car was stolen has informed the police

13. The man betrayed me. I trusted him.

The man whom I trusted betrayed me

14. The boy was very happy. He won a prize.

The boy who won a prize was very happy

15. Give me the book. The book is on the table.

Give me the book which is on the table.

16. The boys came late. They were punished.

The boys who came late were punished

17. They caught the man. He was a thief.

They caught the man who was a thief.

18. The roof of the house was damaged. The house has now been repaired.

The house whose roof was damaged has now been repaired.

19. The book is about a lawyer. He is accused of murder.

The book is about a lawyer who is accused of murder.

20. We heard the song. It shocked many people.

We heard the song which shocked many people.

21. I met a friend last week. Her daughter is an astrologist.

I met a friend whose daughter is an astrologist last week.

xét dãy số sau:

2003;20032003;..;20032003(có n số 2003; n >2004)

nhậnxét: các số trong dãy đều là các số lẻ nên không chia hết cho 2004

=> số bất kì trong dãy chia cho 2004 có thể dư 1;2;3;...;2003 dảy trên có nhiều hơn 2003 số nên theo nguyên lì dirichle => có ít nhất 2 số chia cho 2004 có cùng mợt số dư

=> số có dạng 20032003...2003...2003(có 2003+m số 2003) và số 2003..2033(có m số 2003) có cùng số dư

=> hiệu của chúng chia hết cho 2004

hay số 2003200300..00(có 2003 số 2003) chia hết chi 2004

NHỚ TICK**