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6. By the end of next month, we _______ our English course.
a. have completed b. will be completed
c. will have completed d. completed
7. If you had worked harder, you _______.
a. will not be sacked b. are not sacked
c. will not have been sacked d. would not have been sacked
8. It was _______ we could not go out.
a. such cold that b. so cold that c. very so cold d. too cold that
9. Nobody can prevent us from _______ good things.
a. do b. doing c. did d. done
10. Mr. Pike _______ English at our school for 20 years before he retired last year.
a. is teaching b. was teaching c. has been teaching d. had been teaching
11. You should be responsible _______ what you have done.
a. of b. for c. with d. on
12. No longer _______ clean the floor. I have just bought a vacuum cleaner.
a. do I have to b. I do have to c. I have to d. have I to do
13. People do exercise _______.
a. keeping fit b. making fit c. to keep fit d. to make them fix
14. I never forget _______ I went to school.
a. the time first which b. what the first time c. that the time d. the first time when
15. Mary enjoys _______ crossword puzzles when she has free time.
a. making b. doing c. taking d. getting
III.
16. If you want to get ____achievement___ in life, you should work harder. (achieve)
17. The roads in our town are being ____widened___. (wide)
18. Thank you for your clear ____explanation___. I can understand the lesson thoroughly. (explain)
19. The boring film made Tom fall ____asleep___. (sleep)
20. ____unluckily___ the boy got lost on the way home. (Luck)
21. The ____noise___ of the traffic prevented him from sleeping last night. (noisy)
22, The ____beauty___ of nature is at risk. (beautify)
23. Both the US and Russia continue their ___exploration____ of the moon. (explore)
24. Vietnam is an ____agricultural___ country. (agriculture)
25. ____advertising___ is one of the biggest businesses in the world. (Advertise)
Exercise 6 : Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 2.If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 3.If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 4.If the sun _____, we _____for a walk. A. shines / will go B. shone / will go C. shone / would go D. had shone / would go 5.The campfire _____ if it _____ last night. A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains 6.But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 7.If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had 8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were / would know B. is / will know C. had been / would have known D. was / would know 9.If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 10.I will never talk to you again _____ you apologize me _____ your being rude. A. if / for B. unless / for C. or / of D. whether / or 11._____if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 12.I think you should stop smoking. A. If I am you, I will stop smoking. B. If I were you, I will stop smoking. C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking. 13.If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 14.We should do something to protect water from being polluted _____we will have nothing to drink in the future. A. if B. whether C. or D. unless 15.Let’s knock on their door to see _____home. A. if they’re B. unless they’re C. whether they were D. if they were 16.Unless we _____more snow, we can’t go skiing. A. will have B. have C. have had D. had 17.You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 18.Unless you wash the car, you _____not drive it at the weekend. A. would B. could C. have to D. may 19.If Peter _____his car before the drive, he _____the problem of out of petrol. A. checked / will not get B. had checked / would not have got C. checks / will not have got D. would be checking / will not have got 20.He stepped on the mine, and it exploded. A.If he doesn’t step on the mine, it doesn’t explode. B.If he doesn’t step on the mine, it won’t explode. C.If he didn’t step on the mine, it wouldn’t explode. D.If he hadn’t stepped on the mine, it wouldn’t have exploded. 21. In my experiments, the liquid is cooled to 32ºF. It always freezes. A.If you cool the liquid to 32 degrees, it froze. B.If you cooled the liquid to 32 degrees, it would freeze. C.If you cool the liquid to 32 degrees, it will freeze. D.If you had cooled the liquid to 32 degrees, it would have frozen. 22.It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled. C. if it rained, the match would be cancelled D. If it had rained, the match would have been cancelled. 23.Unfortunately, I don’t know Philosophy, so I can’t answer your question. A.If I know Philosophy, I can answer your question. B.If I know Philosophy, I will be able to answer your question. C.If I knew Philosophy, I would be able to answer your question. D.If I had known Philosophy, I would have been able to answer your question. 24._____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 25.If he _____with us now, he _____ the beauty of nature of the National Park. A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy 26.If they had searched more carefully, they...the watch sooner. A. will find B. would find C. found D. would have found 27.If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 28.I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 29.Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 30.If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 31.You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 32.Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 33.You will get a good seat if you _____ first. A. come B. came C. have come D. will come 34.Sam will not graduate_____. A. if he passed all the tests B. if he does not pass all the tests. C. unless he passes all the tests D. unless he had passed all the tests. 35.If I had time, I would go with you. A.I am free and surely go with you. B.I am too busy to go with you. C. I will go with you because I have time. D. I am free enough to go with you. 36.If Margaret hadn’t been wearing a seat belt, she.... Injured. A. has been B. would has been C. would be D. would have been 37.If I _____ the rain yesterday, I_____ ill. A. had not caught / would have been B. had not caught / would have not been C. have not caught / were not D. have not caught / would have been 38.He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 39.What _____if there _____ a serious nuclear accident. A. will happen / was B. happens / were C. would happen / were D. would happen / had been
Lần sau bn vt thì cách ra cho dễ nhìn nhé~~~~
Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she
2.If you_____to me, you wouldn’t have got so much trouble.
A. listened B. would listen C. had listened D. Would have listened
3.If you don’t know how to spell a word, you_____ look it up in the dictionary.
A. must B. will C. should D. ought
4.If the sun _____, we _____for a walk.
A. shines / will go B. shone / will go C. shone / would go D. had shone / would go
5.The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains
6.But for our parents, we _____ successful in life.
A. will never be B. would never be C. wouldn’t have be D. would have never been
7.If I _____ my wallet at home this morning, I _____ money for lunch now.
A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had
8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.
A. were / would know B. is / will know C. had been / would have known D. was / would know
9.If we _____ the plans carefully, we would not have had so many serious mistakes.
A. study B. had studied C. studied D. were studying
10.I will never talk to you again _____ you apologize me _____ your being rude.
A. if / for B. unless / for C. or / of D. whether / or
Choose the best answer for each of the following sentences
1. If I had time, I would go with you.
A. I am free and surely go with you.
B. I am too busy to go with you.
C. I will go with you because I have time.
D. I am free enough to go with you.
2. If Margaret hadn't been wearing a seat belt, she ____ Injured.
A. has been
B. would has been
C. would be
D. would have been
3. If I ____ the rain yesterday, I ______ ill.
A. had not caught / would have been
B. had not caught / would not have been
C. have not caught / were not
D. have not caught / would have been
4. He looked frightened as if he _____ a ghost.
A. sees
B. is seeing
C. has seen
D. had seen
5. What _____ if there _____ a serious nuclear accident.
A. will happen / was
B. happens / were
C. would happen / were
D. would happen / had been
1.These shoes still need repairing.\
These shoes haven't been repaired yet
2. How long is it since you last saw Mary?
When was the last time you saw Mary ?
3, I was silly to say that.
I wish I had not said that
4. I have never had a cake as good as this.
This is the best cake I've ever had
5. This ís the last time I will speak to you
I will not speak to you anymore
6. Both Mary and Peter prefer coffe to tea.
Neither Mary nor Peter prefers coffee to tea
7. This is the first time I have ever been in London .
I have never been in London before
8, I have never visited this museum before,
This is first time I have ever visited this museum
9. He turned off the computer first, and then he left.
After he had turned off the computer , he left
10. Jane does not often see Mary.
Jane seldom sees Mary
11. Susan last visited her parents at the end of last May.
Susan has not visited her parents since the end of last May
12. The last time i had a dental appointment was six months ago.
It has been six months since I had a dental appointment
13. They moved to London in 2009
They have lived in London since 2009
14. You drove so fast.
I wish you to drive more slowly
15. This pasta is a new experience for me .
It is the first time I have ever experienced this pasta
17. How long has it been since you left your village?
When did you leave your village ?
18. My son has beenw working as an accountant for two years.
My son began to work as an accountant two years ago
19. How long have you worked on that program?
When did you begin to work on that program ?
20. Tom has arranged to play badminton with me tomorrow.
Tom and I are planning to play badminton tomorrow
21. I happened to meet Peter on the way to work yesterday.
I unexpectedly met Peter on the way to work yesterday
2. How long is it since you last saw Mary?
When...did you see Mary?..
3, I was silly to say that.
I wish..I hadn't been silly to say that.....
4. I have never had a cake as good as this.
This is the best cake....I have had....
5. This ís the last time I will speak to you
I will not......speak to you after......
6. Both Mary and Peter prefer coffe to tea.
Neither Mary nor Peter..prefer tea to coffee..
7. This is the first time I have ever been in London .
I have never,..been in London before......
8, I have never visited this museum before,
This is the first time.......I have visited this museum.....
9. He turned off the computer first, and then he left.
After he .......he had turned off the computer first, he left...........
10. Jane does not often see Mary.
Jane seldom...sees Mary....
11. Susan last visited her parents at the end of last May.
Susan has not....visited her parents since the end of last May.....
12. The last time i had a denatl appointment was sĩ months ago.
It has been ....six months since I had a denatl appointment......
13. They moved to London in 2009
They have...moved to London since 2009..
14. You drove so fast.
I wish...you hadn't drive so fast....
17. How long has it been since you left your village?
When ....did you leave your village?.....
18. My son has beenw working as an accountant for two years.
My son began.......working as an accountant two years ago......
19. How long have you worked on that program?
When .....
20. Tom has arranged to play badminton with me tomorrow.
Tom and I........
21. I happened to meet Peter on the way to work yesterday.
I unexpectedly......
22. Hardly a day góe by without my calling to Peter.
I ....
23. We did not understand that custom until Peter explained it to us.
It was not..........
1. Complete the dialogue
Mum: Where have you been, Joe? Do you know what time it is? It's 1.30 in the morning
Joe: Sorry mum! if i'd know the time, i should have come home earlier
Mum: Oh, yes? So, what's your excuse then?
Joe: I had to walk home. I was at Dave's house and i missed the last bus. If i hadn't missed it, i wouldn't have had to walk
Mum:Oh, really? Well, you could have phoned me. I was worried sick!
Joe:Sorry, mum. I have had phoned you if i'd had my mobile with me. But i think i left it at Dave's.
2.Answer the questions about Joe
a, Did Joe know what time it was?
No, he didn't.
b, Did Joe miss the last bus?
Yes, he did.
c, Did Joe have his mobile with him?
No, he didn't.
I. Circle the best option A, B, C or D to complete each of the following sentences. (3.0 points)
1 .Millions of Christmas cards _________ every year.
A. is sent B. are sent C. send D. are sending
2. I don't know how_________ this game.
A. play B. played C. to play D. playing
3. I take part _________ most of the youth activities of my school.
A. on B. in C. to D. for
4. We're looking forward to_________ you earlier.
A. see B. seeing C. saw D. be seeing
5. He had his father_________ his watch.
A. fixed B. to fix C. fix D. fixing
6. Luckily, Peter had _________ to finish his final exam.
A. many time B. enough time C. time enough D. some time
7. Tom_________ his hand when he was cooking the dinner.
A. burnt B. was burning C. burn D. is burning
8. I must go now. I promised _________ late.
A. not being B. not to be C. to not be D. not be no
9. Would you mind if I_________ a photo?
A. take B. took C. taking D. will take
10. I _________ Cuba in 1990.
A. visit B. visited C. have visited D. was visiting
11. It is_________ to find an expensive hotel in this town.
A. difficult B. difficultly C. difficulty D. differ
12. _________you ever_________ to America yet?
A. Have …been B. Were …being C. Were … been D. Are … been
II. Write the correct form of the words in brackets. (1.0 point)
1. Stop, Nam! It's........dangerous................to be near the stove. (danger)
2 .The glass pieces are dried.................completely......................... . (complete)
3. My elder brother studies hard this year in order to pass the............entrance.......... exam to the university. (enter)
4. Please confirm your...............arrival............ date and time if you want to come with us. (arrive)
III. Complete the second sentence in such a way that it has the same meaning as the first one. (2 points)
1. Clement Clarke Moore wrote the poem in 1823.
-> The poem…was written by Clement Clarke in 1823.…………………………………………………
2. "We are waiting for the school bus", said the children.
-> The children said ..(that) they were waiting for the school bus..................................................................
3. Roses can't possibly grow in such poor ground.
-> It is impossible ...for roses to grow in such poor ground.....................................................................
4. The last time I played tennis was in 1990. ->I haven't.....played tennis since 1990...............................................................................
IV. Read the passage and answer the questions. (2 points)
THE GREAT WALL OF CHINA In China, there is a wall that is 1,500 miles long. It is called the Great Wall of China. It winds uphill and down, through valleys and mountains. It was made by hand. The Great Wall of China was built from 246 - 209 BC. The people of China made it to keep out their enemies. There are watch towers all along the way. The Wall is made of brick and earth. It is high and wide on top. People can walk along the top as if it were a road. No other defense line has ever been made as long as the Great Wall of China.
1. Where is the Great Wall? …The Great Wall is in China…………………………………………………………………
2. When was it built? …It was built from 246 - 209 BC…………………………………………………………………
3. What is it made of? …It is made of brick and earth.…………………………………………………………………
4. What was it built for? …It was built to keep out their enemies.…………………………………………………………………
Exercise 3. Write the sentences in another way, beginning as shown.
1. Someone reported that the situation was under control.
The situation _______________was reported to be/to have been under control.____________________
2. It is said that she works 16 hours a day.
She _______________ is said to work 16 hours a day._______________________________
3. Someone thinks that the company is planning a new advertising campaign.
The company _________is thought to being planning a new advertising campaign_____________________________
4. Everyone expects that the soap opera will end next year.
The soap opera ____________is expected to end next year______________________
5. It is alleged that the man drove through the town at 90 miles an hour.
The man _________is alleged to have driven through the town at 90 miles an hour________________________________
6. Someone reported that the President had suffered a heart attack.
The President _________was reported to _______to have suffered a heart attack. ___________________
7. They think that the prisoner escaped by climbing over a wall.
The prisoner _____________ is thought to have escape by climbing over the wall._______________________
8. It is reported that the buildings have been badly damaged by fire.
The buildings __________is reported to have been badly damaged by fire________________________
9. It is reported that many people are homeless after the floods.
Many people ___________are said to have been homeless after the floods._________________________
10. We all expected Marta would pass her driving test.
Marta ____________is expected to pass the test_____________________________
11. People believe that he was killed by terrorists.
He ___________is believed to have been killed by terrorists_________________________________
12. We knew that you were in town on the night of the crime.
You ____________were known to have been in town on the night of the crime._________________________________
13. Journalists supposed that the footballer Wayne Johnson was earning £10 million a year.
The footballer Wayne Johnson __________is supposed to have been earning £10 million a year.________________
14. It is said that there is a secret tunnel between those two houses.
____there is a secret tunnel between those two houses._________________________________________
15. We know that they lives in a small flat on the fifth floor.
They_______are known to live in a small flat on the fifth floor________________________________________
16. Lots of people believe that the Prime Minister and his wife have separated.
The Prime Minister________and his wife are believed to have separated________________________
17. It is believed that the boy is wearing a white pullover and blue jeans.
The boy___________is believed to wearing a white pullover and blue jeans.________________________________
18. Everyone expects that the hostages will be released soon.
The hostages_____are expected to be released soon_________________________________
19. It is reported that two people were injured in the explosion.
Two people__are reported to have been injured in the explosion_____________________________________
20. They say exercise is good for health.
Exercise ___________is said to good for health______________________________
Exercise 6. Use the words in brackets to complete the sentence. Use the structure have some¬thing done.
1. We ____are having the house painted_ (the house/ paint) at the moment.
2. I lost my key. I’ll have to __have another key made___ (another key/ make).
3. When was the last time you __has had your hair cut___ (your hair/ cut)?
4. You look different. ; ___have you had your hair cut__ (you/ your hair/ cut)?
5. ___do you have a newspaper delivered__ (you/ a newspaper/ deliver) to your house or do you go to the shop to buy one?
6. A: Can I see the photos you took when you were on holiday?
B: I’m afraid I __haven't had the film developed ___ (not/ the film/ develop) yet.
7. A: What are those workmen doing in your garden?
B: Oh, we __are having a swimming pool built ___ (a swimming pool/ build).
8. This coat is dirty. I must __have it cleaned___ (it/ clean).
9. If you want to wear earrings, why don’t you ___have your ears pierced__ (your ears/ pierce)?
10. A: My car has been serviced recently.
B: How often __do you have your car serviced___ (.you/ your car/ service)?
Exercise 7. Choose the correct answer.
1. We can’t go along here because the road _____.
a. is repairing b. is repaired c. is being repaired d. repaires
2. The story I’ve just read _____ Agatha Christie.
a. was written b. was written by c. was written from d. wrote by
3. Why don’t you have your brother _____ the roof?
a repairs b. repair c. repaired d. to repair
4. The man died because medical help was not summoned. A doctor should _____.
a. be have called b. been called c. be called d. have been called
5. Something funny _____ in class yesterday.
a. happened b. was happened c. happens d. is happened
6. Many US automobiles _____ in Detroit, Michigan.
a. manufacture b. have manufactured
c. are manufactured d. are manufacturing
7. A lot of pesticide residue can _____ on unwashed produce.
a. find b. found c. be finding d. be found
8. We _____ by a loud noise during the night.
a. woke up b. are woken up c. were woken up d. were waking up
9. How did that window _____? ~ I don’t know.
a. get broken b. broke c. got broken d. broken
10. Some film stars _____ difficult to work with.
a. are said be b. are said to be c. say to be d. said to be
11. Last night a tornado swept through Rockville. It _____ everything in its path.
a. destroyed b. was destroyed
c. was being destroyed d. has been destroyed
12. Vitamin C _____ by the human body. It gets into blood stream quickly.
a. absorbs easily b. is easily absorbing
c. is easily absorbed d. absorbed easily
13. Why did Tom keep making jokes about me? I don’t enjoy _____ at.
a. be laughed b. to be laughed c. laughing d. being laughed
14. John _____ last week.
a. had his house painted b. had painted his house
c. had his father to paint d. had his house paint
15. Today, many serious childhood diseases _____ by early immunization.
a. are preventing b. can prevent c. prevent d. can be prevented
16. ‘_____ about the eight o’clock flight to Chicago?’ ‘Not yet.’
a. Has been an announcement made b. Has an announcement made
c. Has an announcement been made d. Has been made an announcement
17. ‘Has the commitee made its decision yet?’
‘Not yet. They are still _____ the proposal.’
a. considering b. been considered c. being considered d. considered
18. I might watch this programme. It _____ very funny.
a. supposes to be b. is supposed being
c. is supposed to be d. was supposed be
19. Do you get your heating _____ every year?
a. checking b. check c. be checked d. checked
20. Claude Jennings is said _____ his memory.
a to have been lost b. to be lost
c. to have lost d. to lose
I/ Fill in each numbered blank with one suitable word:
WALKING IN THE COUNTRY
I enjoy walking. It's good exercise and it takes me .......... of the town and into the country. I think that's ...........I have a dog. She needs to ...........out and so I have a reason to go for a walk. I go every Sunday and it doesn't ........... to me if it's cold, windy and raining or a beautiful sunny day. I just love to get away from people and be............ for a few hours. I always go home at the same time every Sunday............ walk over the hills to a little village in the country. The walk isn't very............, only about an hour, but it's quite hard work because I have to walk up the hill and down the other side. .............. I get to the village, I go to the pub for a beer and........... food. After lunch, I walk back along a different path and arrive home in time ......... tea.
ĐÁP ÁN: Click here
II/ Complete the second sentence so that it has similar meaning to the first one
1. The book was less expensive than I had expected.
-> The book didn't as expensive as I had expected.
2. Man has never had such efficient servants as computer.
-> Computer are the most efficient servants man has ever had
3. The fire will go out if he doesn't put more wood on.
-> Unless he puts more wood on, The fire will not go out
4. I am sure she was very beautiful when she was young.
-> She must be very beautiful when she was young.
5. He prefers golf to tennis.
-> He'd rather golf than tennis.
6. It takes three hours to drive from Hai Phong to Ha Noi.
-> It is a 3 - hour trip from Hai Phong to Ha Noi.
7. I am sorry I missed your birthday party.
-> I wish i hadn't missed your birthday party.
III/ Rearrange the following sentences in the correct order to make a meaningful dialogue.
A. Will you accept cheque?
B. No, sir. But can you enroll me as a member?
C. Yes, sir. I suppose I need your help.
D. Do you want just to consult the book here, or are you thinking of borrowing it?
E. Certainly. Here is an application form. You have to pay a deposit of 20 dollars.
F. We lend books only to members. Are you a member?
G. Can I help you?
H. No, I am afraid we can't accept cheque.
I. I want to borrow books.
J. What a pity. I am short of cash.
ĐÁP ÁN:
1. g 2. c 3. d 4. i 5. f
6. b 7. e 8. a 9. h 10. j
IV/ Fill each gap with the correct form of the verb on the box.
| Experience; lose; get; attend; award; respond; look; hear; improve; surf; wander; leak |
1. If you work hard, you'll be ................ the scholarship.
2. He said he ................ forward to Tet holidays.
3. This is the most embarrassing thing, I've ever ...................
4. If he ............. that English school, his english would get better.
5. Please tell me if you ................. from her.
6. I don't want my document ................ out, I want to keep it secret.
7. Viruses can keep you from ................ access to the file you want to open.
8. I enjoy ............... the net looking for informationon TV.
9. Over nineteen teenagers have............... to Jim's questions.
10. Sometimes we see him ..............alone in the park.
ĐÁP ÁN: Phần II - part 2
28. I don’t have time, so I can’t go to the movies with you.
A. If I had time, I could go to the movies with you. B. If I didn’t have time, I could go to the movies with you.
C. If I didn’t have time, I couldn’t go to the movies with you.
D. If I had time, I couldn’t go to the movies with you.
29. I have never been to Canada before.
A. It is the first time I have ever been to Canada. B. It is the first time I had ever been to Canada.
C. It is the first time I have ever be to Canada. D. It is the first time I have ever been being to Canada.
30. The fire badly damaged the town hall.
A. The town hall badly damaged by the fire. B. The town hall were badly damaged by the fire.
C. The town hall was damaged by the fire. D. The town hall was badly damaged by the fire.
31. Although Singapore is a developed country, it is not polluted by industry
A. Due to being a developed country, Singapore is not polluted by industry.
B. Despite being a developed country, Singapore is not polluted by industry.
C. As being a developed country, Singapore is not polluted by industry.
D. By being a developed country, Singapore is not polluted by industry.
32. Australians use English as their mother tongue so they are native speakers.
A. Australians are native speakers although they use English as their mother tongue.
B. Australians are native speakers because they use English as their mother tongue.
C. Australians are native speakers though they use English as their mother tongue.
D. Australians are native speakers owing to they use English as their mother tongue.
28. A
29. A
30. D
31. B
32. B