1. I do not know the reason. She left school for it.

@…I do not know the reason why she left school……

2. Our school has a good laboratory. The students practice chemistry in the laboratory.

@…Our school has a good laboratory in which the students practice chemistry…

3. We have not decided the day. I’ll go to London on that day.

@……We have not decided the day on which I’ll go to London…

4. The film is about two people. Their plane crashed in the jungle

@……The film is about two people whose plane crashed in the jungle…

5. The pipeline has been damaged. It carries the town’s water supplies.

@……The pipeline which carries the town’s water supplies has been damaged. .…….

6. The exhibition was not very interesting. My friend took me to see it.

@……The exhibition which my friend took me to see was not very interesting. .…….

7. The problem today is to build houses at a price. Young couples can afford to pay the price.

@……The problem today is to build houses at a price which young couples can afford to pay.

8. Foreign visitors often find that English weather is not so bad as they had supposed. They often associate it with fog and rain.

@……Foreign visitors often find that English weather, which they often associate with fog and rain, is not so bad as they had supposed.…….

9. The headmaster spoke to the boys. Their work was below standard.

@………The headmaster spoke to the boys whose work was below standard.….

10. Very few people understood his lecture. The subject of his lecture was very obscure.

@…Very few people understood his lecture whose subject was very obscure.……….

11. I can’t remember the name of the person. I gave the money to him.

@……I can’t remember the name of the person to whom I gave the money …….

12. The headmaster spoke to the boys. Their work was below standard.

@……The headmaster spoke to the boys whose work was below standard…….

13. We came within sight of Everest. Its summit has attracted so many climbers.

@…We came within sight of Everest whose summit has attracted so many climbers.……….

14. The eighty-nine passengers all escaped without serious injury. Four of the passengers were British.

@……The eighty-nine passengers, four of whom were British, all escaped without serious injury. .…….

15. The country now has 300 power stations. All of them are part of a national network.
@…The country now has 300 power stations, all of whom are part of a national network.……….

71) The reason ____ Jim has just lost his job is that he didn’t work hard enough.

A. why B. which C. that D. B & C are correct

72) They hid the money in a place ____ it was safe from robbers.

A. which B. where C. that D. All are correct

73 ) Please tell me the reason for ____ I should let you go.

A. that B. which C. why D. B & C are correct

74) I know a wood ____ you can find wild strawberries.

A. where B. which C. that D. All are correct

75) Can you suggest a time at ____ it will be convenient to meet?

A. which B. when C. why D. that

76) Is there any reason for ____ you should have a holiday?

A. why B. which C. that D. A & B are correct

77) Tell me the countries ____ the traffic moves on the left-hand side.

A. where B. which C. that D. A & B are correct

78) We keep our bread in the bridge ____ it doesn’t go bad.

A. since B. so that C. although D. after

79) ____ these cars are cheap, they last a long time.

A. Because B. In order that C. Although D. After

80) You should give the iron time to heat up ____ you iron your clothes.

A. because B. so that C. even though D. before

71) The reason ____ Jim has just lost his job is that he didn’t work hard enough.

A. why B. which C. that D. B & C are correct

72) They hid the money in a place ____ it was safe from robbers.

A. which B. where C. that D. All are correct

73 ) Please tell me the reason for ____ I should let you go.

A. that B. which C. why D. B & C are correct

74) I know a wood ____ you can find wild strawberries.

A. where B. which C. that D. All are correct

75) Can you suggest a time at ____ it will be convenient to meet?

A. which B. when C. why D. that

76) Is there any reason for ____ you should have a holiday?

A. why B. which C. that D. A & B are correct

77) Tell me the countries ____ the traffic moves on the left-hand side.

A. where B. which C. that D. A & B are correct

78) We keep our bread in the bridge ____ it doesn’t go bad.

A. since B. so that C. although D. after

79) ____ these cars are cheap, they last a long time.

A. Because B. In order that C. Although D. After

80) You should give the iron time to heat up ____ you iron your clothes.

A. because B. so that C. even though D. before

1, Please tell me something your neighborhood. ----> somethings about your neighborhood.

2, Where the chemist's ? ------> is the chemist's ?

3, First go pass the traffic lights and then turn left. ------> pass.

4, Go to the end on the street. ------> the end of the street.

5, Can you tell me way at the supermarket ? ------> the way to the supermarket ?

1. I don't know what to review first for the coming test.

2. Mary can't decide whether to go to the school library or stay at home to do her homework.

3. Please tell me how to get to the bus station.

4. Jim told us where to find that atlas.

5. He told me when to come to the meeting.

6. The plumber told me how to fix the leak in the sink.

7. Please tell me where to meet you tomorrow morning.

8. Jim found two shirts he liked, but he had trouble deciding which one to buy.

) I recently went back to Paris . It is still as beautiful as a pearl .

I recently went back to Paris, which is still as beautiful as a pearl

2) I recently went back to Paris . I was born in Paris nearly years ago .

I recently went back to Paris (where/in which) I was born nearly 50 years ago

3) You didn't tell us the reason . We have to cut down our daily expenses for that reason .

You didn’t tell us the reason for which we have to cut down our daily expenses

4) I've sent him two letters . He has received neither of them .

I’ve sent him two letters, neither of which he has received

5) I don't know the girl's name . She's just gone into the hall .

I don’t know the name of the girl who has just gone into the hall.

6) Be sure to follow the instructions . They have given at the top of the page .

Be sure to follow the instructions that are given at the top of the page.

1 like => like to

2 doing => do

3 your => about your

4 where => where is

5 bỏ and

6 on => of

7 at => to

1) thiếu (to) turn

2) what shall we do không phải doing

3) thiếu (about) your neighborhood

4)where is

5) (of) the street

6)the way (to)

1. The student is from China. He sits next to me.

The student who sits next to me is from China.

2. I thanked the woman. This woman had helped me.

I thanked the woman who had helped me.

3. The professor is excellent. I'm taking his course.

The professor whose course I am taking is excellent.

4. Jim passed the exam. This surprised everybody.

Jim passed the exam, which surprised everybody.

5. Mr Smith said he was too busy to speak to me. I had come to see him.

Mr. Smith, who I had come to see, said he was too busy to speak to me.

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

The man whom I respect most is my father.

7. The man is my father. I respect his opinions most.

The man whose opinions I respect most is my father.

8. I saw a lot of people and horses. They went to market.

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

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

Tom has three sisters, all of whom are married.

10. I recently went back to Paris. It is still as beautiful as a pearl.

 I recently went back to Paris which is still as beautiful as a pearl.

11. I recently went back to Paris. I was born in Paris nearly 50 years ago.

 I recently went back to Paris where I was born in Paris nearly 50 years ago.

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

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

13. This doctor is famous. You visited him yesterday.

The doctor whom you visited yesterday is famous.

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.

15. The police want to know the hotel. Mr Foster stayed there two weeks ago.

The police want to know the hotel where Mr Foster stayed two weeks ago.

16. You didn't tell us the reason. We have to cut down our daily expenses for that reason.

You didn't tell us the reason why we have to cut down our daily expenses.

17. The day was rainy. She left on that day.

The day when she left was rainy.

18. The reason hasn't been told yet. The president will come to that city for this reason.

The reason why the president will come to that city hasn't been told yet.

19. Phuong Thao is a singer. You like her music best.

Phuong Thao, whose music you like best, is a singer. 

20. She couldn't come to the party. This is a pity.

She couldn't come to the party, which is a pity.

21. I've sent him two letters. He has received neither of them.

I've sent him two letters, neither of which he has received.

22. That man is an artist. I don't remember the man's name.

That man, whose name I don't remember, is an artist.

3. The reason is not valid. You gave it yesterday.

The reason which you gave yesterday is not valid. 

24. We enjoyed the city. We spent our vacation in this city.

We enjoyed the city where we spent our vacation.

25. One of the elephants had only one tusk. We saw these elephants at the zoo.

One of the elephants that we saw at the zoo had only one tusk. 

26. I looked at the moon. It was very bright that evening.

I looked at the moon which was very bright that evening.

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

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

8. That car belongs to Dr Clark. It's engine is very good.

That car, whose engine is very good, belongs to Dr Clark.

29. In the class there are 48 students. The teacher knows only a few of them.

In the class there are 48 students, only a few of whom the teacher knows.

30. The pupils haven't done their homework? It is too bad.

The pupils haven't done their homework, which is too bad.