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Choose the best answer to complete each of the following sentences.
1. You _____ much recently.
A. weren’t studying B. don’t study C. haven’t been studying D. didn’t study
2. “Where’s Tony?” “He _____ to the travel agent’s, and he hasn’t come back.”
A. has been B. has been going C. has gone D. had gone
3. I’m sorry, but the director _____ the office.
A. already left B. has left C. had left D. is leaving
4. For several years his ambition _____ to become a pilot.
A. is B. has been C. was . D. had been
5. She said she met you once at the Hilton last year. _____ since then?
A. Have you met her B. Did you meet her C. Were you met her D. Had you met her
6. We think they _____ all that is necessary.
A. have done B. doing C. had done D. would do
7. I _____ here since last September.
A. am studying B. have been studying C. had been studying D. was studying
8. I think I _____ my door key. I can’t find it anywhere.
A. lost B. am losing C. have lost D. will lose
9. Mr. Kdwards _____ history for 35 years, and is retiring soon.
A. teaches B. is teaching C. taught D. has been teaching
10. I’d like to see that football match because I _____ one this year.
A. don’t see B. can’t see C. hardly see D. haven’t seen
11. Once an animal _____ from the wild, it generally cannot be returned to its place of origin for fear of disease.
A. was taken s B. will be taken C. would be taken D. has been taken
12. I’m tired. I _____ the house since 9 this morning.
A. am cleaning B. was cleaning C. had been cleaning D. have been cleaning
13. I _____ to your excuses carefully, but I _____.
A. listen - do not convince
B. am listening - was not convinced
C. had listened - have not been convinced
D. have listened - am not convinced
14. I _____ (Có thừa ko bạn nhỉ? 
) can’t believe that you _____ all the three exercises. You just started five minutes ago.
A. have finished B. have been finishing C. finished D. are finishing
15. Up to now, the discount _____ to children under ten years old.
A. has only applied B. only applies C. was only applied D. only applied
16. Tom often watches TV after his parents _____ to bed.
A. had gone B. have gone C. go D. went
17. This is the third time James _____ the volunteer program to the village.
A. joins B. joined C. has joined D. has been joining
18. “How’s Peter doing?” “I don’t know. I _____ from him for months.”
A. have to hear B. haven’t heard C. didn’t hear D. don’t hear
19. “Susan is still looking for a decent flat.” “How long _____ for?” .
A. was she looking B. is she looking C. had she looked D. has she been looking
20. “Has Tim come to terms with his exam results?” “Yes. He _____ the fact he’ll have to reset.”
A. had accepted B. has been accepting C. accepted D. has accepted
21. “How do you like your sushi?” “Well, it’s really different. It’s the first time I _____ Japanese food.”
A. eat B. am eating C. have eaten D. have been eating
22. Their children _____ lots of new friends since they _____ to that town.
A. have made - moved
B. were making - have moved
C. made - are moving
D. made - have been moving
23. It has been a good year. I _____ two books and several short stories, all of which are now in print.
A. have written B. have been writing C. will have written D. had written
24. You should know that everyone in this office _____ busily planning the dance for a week.
A. is B. has been C. have been D. are
25. Jane is a wonderful singer. Her mother tells me that she _____ professionally since she was four.
A. has been sung B. was singing C. is singing D. has been singing
26. That the committee members could not agree with each other about solving that problem _____ caused a serious problem.
A. is B. was C. has D. have
27. Prices _____ considerably since this time last year.
A. have raised B. rose C. raised D. have risen
28. The number of working women in China _____ from 49% in 1980 to nearly 65% today.
A. has been increasing B. has increased C. is increasing D. have increased
29. She _____ two miles and a half, and now she feels exhausted.
A. runs B. was running C. has run D. has been running
30. Something tells me that you _____ to a single word I _____ in the past ten minutes.
A. haven’t been listening - have said
B. haven’t listened - had said
C. hadn’t listened - said
D. didn’t listen - was saying
31. How many of those chocolates _____ today?
A. did you eat B. do you eat C. had you eaten D. have you eaten
32. This is the latest news from Timbuktu. Two-thirds of the city _____ in a fire.
A. has been destroyed B. were destroyed C. was destroyed D. have been destroyed
33. Our industrial output _____from 2 million in 2011 to 2 million in 2011 to 4 million this year.
A. rises B. rose C. was rising D. has risen
34. The replacement of shops such as the groceries’ and chemist’s by cafes _____ the housewives with insufficient facilities for shopping.
A. leave B. have left C. has left D. to have left
35. He_____ (Thiếu chỗ trống rùi nè ) off alone a month ago, and _____ of since.
A. set - hasn’t been heard
B. setted - hasn’t heard
C. set - hasn’t heard
D. setted - hadn’t been heard
36. .You looked tired. _____ hard all day?
A. Have you been working B. Did you work C. Do you work D. Are you working
37. Thousands of antibiotics _____, but only about thirty are in common use today.
A. have developed B. are developing C. have been developed D. have been developing
38. None of the students _____ to class yet.
A. are coming B. hadn’t come C. haven’t come D. have come
39. We _____ for three hours and are very tired.
A. are walking B. have been walking C. were walking D. had been walking
40. I _____ badminton before. This is the first time I _____ to play it.
A. have never played - tried
B. have ever played - have tried
C. have played - have tried
D. have never played - have tried
41. “Are you learning your lesson?” “No, I _____ it.”
A. finished B. finish C. have finished D. have been finished
42. lie is tired how. He _____ for a long time.
A. has been learning B. learns C. has been learned D. learned
43. Listen, Donna, I don’t care if you _____ the bus this morning. You _____ late for work too many times. You are fired!
A. have missed have been B. missed - have been C. missed -- were D. were missing - were
44. “Joseph’s English _____, isn’t it?” - “Yes. He _____ American television programs everyday since he first arrived in San Diego. Soon he will be totally fluent.”
A. is really improving - has been watching
B. has really improved - has watched
C. really improved - watches
D. is really improving - watches
45. For the last ten years, engineers _____ noise levels in Britain’s cities.
A. have been measured . have been measuring C. has measured D. have been measurement
Choose the best answer to complete each of the following sentences.
1. He _____ playing with his dog.
A. is loving B. loves C. was loving D. love
Thì Hiện Tại Đơn
2. Oil _____ if you pour it on water.
A. floated B. floats C. will be floated D. float
Câu điều kiện loại 0
3. Water _____ at 100 degrees Celsius.
A. boils B. boiling C. is boiling D. boil
Thì Hiện Tại đơn
4. The launch of the first liquid-fuelled rocket in 1926 _____ by flight historians _____ as significant as the Wright Brothers’ flight.
A. has considered - having been
B. was considered - being
C. is considered - to be
D. has been considered - has been
Thì quá khứ đơn
5. I’m afraid John will get drunk at the party no matter what his wife _____ to prevent it.
A. would do B. were doing C. does D. will do
6. “Any news from Vicky?” “Yes. She ____ tomorrow on the 9:15 train.”
A. arrives B. will have arrived C. arriving D. will have been arriving
Thì hiện tại đơn (chỉ lịch trình)
7. “Do you know it’s Barb’s birthday today?” “Yes, she _____ a party tonight.”
A. has B. is to have C. is having D. will have
8. Tom _____ things round the house, which is annoying.
A. always leaves B. has always left C. is leaving D. is always leaving
Hiện tại tiếp diễn với "always" chỉ sự phàn nàn
9. Teenagers _____ photos of pop stars on their bedroom walls.
A. are often sticking B. often stick C. will often stick D. have often stuck
10. At least half of the world’s population _____ more than one language.
A. speak B. speaks C. have spoken D. is speaking
11. “Did you have a good time at the .Browns?” “Not really. I _____ I’ll ever visit them again.”
A. won’t be thinking B. am not thinking C. don’t think D. think not
12. Today, universities _____ of conducting “cruel and unnecessary” tests on animals, _____ banned drugs such as amphetamines.
A. are accused - using
B. have accused - to use
C. have been accused – used
D. are being accused - being used
13. “George is in hospital.” “Yes, I’ve heard he _____ good progress.”
A. makes B. will make C. is making D. would make
14. My neighbor really gets on my nerves. She _____ the washing machine on late at night.
A. has always put B. had always put C. has always been putting D. is always putting
15. The word “Olympic” _____ from Olympian in Greece.
A. has come B. came C. comes D. is coming
16. Three swimmers, Paul, Ed, and Jim, _____ now in the competition for medals.
A. is B. has been C. had been D. are
17. “Could I have a word with you, please?” “Sorry, I’m in a big hurry. My train _____ in 15 minutes.”
A. is leaving B. left C. has left D. will leave
18. I _____ an important phone call from America. Could you tell me when it comes?
A. had expected B. have been expected C. expected D. am expecting
19. The existence of many stars in the sky _____ us to suspect that there may be life on another planet.
A. lead B. leading C. have led D. leads
20. _____, insist on a full refund.
A. Whatever he will say B. Whatever he said C. Whatever he says D. Whatever he would say
Choose the underlined part among A, B, C or D that needs correcting.
21. A star that (A) has used up its (B) energy and has lost its heat (C) became (D) a dwarf. => becomes
22. Mr. Suzuki Wants to know (A) where the supplies are kept (B), in case he need (C) more of them (D) while we’re away. => needs
23. In some areas, it has (A) against the law (B) to ride (C) a motorcycle without (D) a helmet. => is
24. The novel and the short story are the literary forms (A) most commonly called (B) “fiction”, but contemporary narrative (C) poetry and drama were (D) also forms of fiction. => are
25. When the minerals needed for (A) corn to grow (B) are lack (C), the husks may be stunted (D). => lack
Choose the underlined part among A, B, C or D that needs correcting.
46. Since ancient times (A), some people wore (B) amulets, objects that are supposed (C) to give the wearer magical (D) powers.
~> have worn
47. I will come to (A) your (B) office as soon as I prepare (C) this (D) report.
~> by
48. Our lifestyle (A) changed (B) since running water (C) came to (D) our village.
~> has changed
49. As soon (A) as he will graduate(B), he is going (C) to return to (D) his hometown
~> bỏ will
50. We haven’t (A) seen each (B) other from (C) we left school. (D)
~> since
WEEK 3 PASSIVE VOICE
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
21. Your shirt needs__________.
A. ironing B.be ironing C. to iron D. iron
22. When you are on duty, your uniform must __________ at all times.
A. wear B. be wear C. be worn D. be wearing
23. Bill __________ to the party tomorrow.
A. will be invited B. will invite
C. will have invited D. will have been invited
24. Vitamin C ________by the human body. It gets into the bloods stream quickly.
A. absorbs easily B. is easily absorbing
C. is easily absorbed D. absorbed easily
25. More than 50 films _________ in HCMC since June.
A. were shown B. had been shown C. have been shown D. have shown
2 6.I have my bicycle_______ by him.
A. repaired B. be repaired C. To repair D. repair
27. A: “ When ________? ” - B: “ In 1928”
A. penicillin was discovered B. did penicillin discovered
C. was penicillin discovered D. did penicillin discover
28. I didn't realize that somebody was recording our conversation.
A. I didn’t realize that our conversation was recorded.
B. I didn't realize that our conversation was being recorded.
C. I didn't realize that our conversation were being recorded.
D. Our conversation wasn't realized to be recorded.
29.People warned us not to go out alone.
A. We were warned not going out alone
B. We are warned not to go out alone.
C. We weren't warned to go out alone.
D. We were warned not to go out alone.
30. The skyscraper is said to have been built in 1930.
A. They said the skyscraper was built in 1930.
B. It was said that the skyscraper was built in 1930.
C. They are said the skyscraper is built in 1930.
D. It is said that the skyscraper was built in 1930.
21. These computers will be _______ in the lesson.
A. used B. use C. using D. be used
- Can’t we do something about the situation?”- “ Something _____ right now.”
A. is doing B. is do C. is being done D. has been doing
- The university ____ by private funds as well as by tuition income.
A. is supported B. supports C. is supporting D. has supported
- My wedding ring _________of yellow and white gold
A. is made B. is making C. made D. making
- My shirt _______ by my sister on my last birthday.
A. gave B. was given C. had been given D.was being given
- This picture _______ by Johnny when I came.
A. painted B. was painted C. was being painted D.had been painted
- It must ______ without delay.
A. do B. have been done C. be doing D. be done
- This exercise may _______ with a pencil.
A. be written B. be to write C. be writing D. write
- The money ______ to him 2 months ago, but it ______ back yet.
A. was lent/ had not been given B. has been lent/ was not given
C. was lent/ has not given D. was lent/ has not been given
- I still can not believe it. My bicycle ______ some minutes ago.
A. was stolen B. was stealing C. stolen D. stole
1. Thu Thuy ( be) ….twenty –three years old next December.
a. is b. was c. has been d. will be
2. They ( learn)…..French at present with their classmates.
a. are learning b. learnt c. have learnt d. had learnt
3. (be) ……on holiday in Hue City one year ago.?
a. Is he b. Was he c. Has he been d. Will he be
4. He is practicing the piano while his sister ( learn) …..Maths.
a. is learning b. was learning c. will be learning d. has learnt
5. What time ( go)…to work every day?
a. is he going b. did he go c. does he go d. was he going
6.She ( learn)…… Japanese since her teacher was retired.
a. learnt b. was learning c. had learnt d. has learnt
7. He ( come)……to see Thailand if he had a good chance?
a. Had he come b. Has he come c. Would he come d. Will he come
8. He ( go)…….to Nha Trang in three months?
a. Did he go b. Does he go c. Will he go d. Is he going
9. Where they ( go)…..now?
a. do they go b. will they go c. did they go d. are they going
10. She ( go) …to the cinema tonight?
a. Is she going b. Was she going c. Will she go d. Has she gone
11. It is necessary that she ( learn)…….foreign language.
a. learns b. learn c. learnt d. will learn
12. Her mother ( go)…..on business to Hanoi five or six times a year.
a. is going b. went c. has gone d. goes
13. Where is your brother? He ( have)……a bath.
a. has b. had c. is having d. will have
14. What you ( do)……when I came to see you?
a. did you do b. will you do c. have you done d. were you doing
15. Peter ( not see) ….his parents for ages.
a. does not see b. will not see c. has not seen d. did not see
16. Who ( teach)…..you biology last year?
a. taught b. teaches c. has taught d. was teaching
17. I cannot go out with my girlfriend because I ( not finish) …my work.
a. do not finish b. didn’t finish c. won’t finish d. haven’t finished
18. Doctors ( learn)……French before they went to Paris.
a. learnt b. has learnt c. has been learning d. had learnt
19. French ( teach)…in that college since 1979.
a. was taught b. was being taught c. has been taught d. had been taught
20. Mr Trung ( write) ….a letter to his teacher in two weeks.
a. writes b. is writing c. wrote d. will write
21. He ( consider)…..the applicants at the moment?
a. Does he consider b. Is he considering c. Has he considered d. Did he consider
22. Mount Everest ( believe)…..to be the highest mountain in the world.
a. believed b. is believed c. was believed d. has believed
23. Recently, the best way to protect the environment ( be found)….by some scientists.
a. is found b. is being found c. was found d. has been found
24. I did not attend the wedding party last night. I wish I ( enjoy) …it.
a. enjoyed b. have enjoyed c. had enjoyed d. would enjoy
25. He cannot join his friends until he ( finish)…..the reports for his director.
a. finishes b. is finishing c. has finished d. will finish
26. The book ( publish)…..before customers ordered to buy it.
a. published b. was being published c. had been published d. had published
27. She ( devote)…all her life to the education cause in the last twenty years.
a. has devoted b. devoted c. will devote d. had devoted
28. This time the day after tomorrow, they ( come)…..to see this city again.
a. come b. will come c. will be coming d. will have come
29. When my mother leaves office next month, she ( work) ….there for twenty –five years.
a. works b. worked c. will work d. will have worked
30.Many people highly appreciated her talent, so she ( offer)….a prize last month.
4a. offered b. was being offered c. was offered d. had offered
31. Everything ( send)…..to him since he was in a small town.
a. has sent b. has been sent c. have been sent d. had sent
32. This building ( finish)……by the end of this year.
a. will have been finished b. will be finished c. have been finished d. will have finished
33. Nam told me that he ( give up)….smoking long ago.
a. gives up b. gave up c. has given up d. had given up
34. After she ( have)…….. some sandwiches, she had a drink.
a. had b. will have c. had had d. would have.
35. What they ( do)…at eight tomorrow morning?
a. are they doing b. will they do c. will they be doing d. have they done
36. When she ( bear)…..? She was born in 1985.
a. she bears b. does she bear c. was she born d. has she born
37. She told me that he ( teach)…literature at that college since 1989.
a. taught b. was teaching c. has taught d. had taught
38. Mt. Thomas ( die)…..in his old flat when the police arrived to investigate the incident.
a. died b. had died c. has died d. had been died
39. The table ( take)…away before I came here.
a. was taken b. was being taken c. had taken d. had been taken
40. The man ( catch)…any fish yet?
a. Has the man caught b. Does the man catch c. Is the man catching d. Was the man catching
1.This is the first time she has eaten eel soup
-> She has not eaten eel soup before
2. She began to write 30 minutes ago
->She has written for 30 minutes
3.They started studying English when they were in grade 3
->They have studied English since they were in grade 3
4.I last saw him 3 weeks ago
->I haven't seen him for 3 weeks
5.The last time I watched this movie was 6 months ago
-> I haven't watched this movie for 6 months
6.It is a long time since she last saw her parents
->She hasn't seen her parents for a long time
7.When did you begin reading this book?
->How long have you read this book
8.This is the first time I have been abroad
->I haven't been abroad before
9.I haven't gone to the zoo since last year
->The last time I went to the zoo was last year
10.I haven't met my aunt since I was 10 years old
->I last met my aunt when i was 10 years old
11.This is the first time she has worked with foreigners
->She hasn't worked with foreigners before
1.This house has been build=> built since last month.
A B C D
2. While I did=> was doing my homework. I had a good idea.
A B C D
3. The result of that test must be inform=> informed before August.
A B C D
4. Somebody cleans the room everyday.
--> The room is cleaned everyday.
5. I have never stayed in such an expensive hotel before
--> This is the first time I have ever stayed in an expensive hotel.
6. The last time she came here was in 1999.
--> She has not come here since 1999.
1/ my teacher has just ____ here
A. come B. came C. coming D.been come
2/ they ___ i thanh hai for 10 years
A. has lived B. has been lieved C. have lived D. have been lived
3/Lan ____ this book several time
A. has reading B. have read C.has readed D. has read
4/ the national dress of japanese women is ____
A. ao dai B. sari C. kimono D. jeans
5/ the capital of malaysia is _____
A. Beijing B.bangkok C.jakarta D. kuala lupur
6/ she wishes she ____ this village again someday
A. can visit B.is visit C. visit D.could visit
7/ It was cold,____ she wore a coat
A. that B. so C. too D. such
8/ I asked Daisy _____ she liked learning Vietnamese
A.if B. did C. has D. when
Exercise 5. Reply to what people say. Use the subject in brackets.
1. A: The bus fares have been increased, (they)
B: What? You mean ________________they've increased the bus fares______________________ again!
2. A: Bicycles should be used for short journeys, (people) -> People should use bicycles for short journey.
B: Yes, I agree.
3. A: A new source of energy has been discovered, (someone) -> Someone has discovered a new source of energy.
B: What? Did you say that
4. A: This building is going to be knocked down, (they) -> They are going to knock down this building.
B: Well, no one told me that
5. A: Eggs shouldn’t be kept in a freezer, (you) -> You shouldn't kep eggs in a freezer.
B: Really? I didn’t know
6. A: Why isn’t litter put in the bin? (people) -> Why don't people put litter in the bin?
B: Exactly. Why don’t
7. A: A lot of money was stolen in the robbery, (the robbers) -> The robbers stole a lot of money in the robbery.
B: Really? The papers this morning don’t say that
8. A: The road in front of my house is being resurfaced at the moment, (they) -> They are resurfacing the road in front of my house at the moment.
B: What? Did you say that
9. A: A decision will not be made until the next meeting, (the board) -> The board won't make a decision until the next meeting.
B: Well, I’ve heard that
10. A: How is this word pronounced? (people) -> How do people pronounce this word?
B: Sorry, I don’t know
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 __had 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 piereced__ (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
1. ________ yet?
A. Has the essay been written B. Has the essay written
C. Did the essay write D. Was the essay be written
2. ________ nuclear waste is dangerous.
A. It says B. It is said C. People is said D. It is saying
3. They have not used this typewriter for a long time.
A. For a long time has not been used this typewriter.
B. This typewriter has not used for a long time.
C. This typewriter has been not used for a long time.
D. This typewriter has not been used for a long time.
4. All bottles ________ before transportation.
A. is froze B. were frozen C. will been frozen D. have frozen
5. ________ last year?
A. Did this van buy B. Was this van bought
C. Has this van bought D. Has this van been bought
6. The club president ________ seriously ill.
A. is said B. is said to be C. is said for being D. is said being
7. They do not allow smoking in schools.
A. Smoking is not allowed in schools. B. Schools are not allowed smoking.
C. In schools are not allowed smoking. D. Smoking in schools do not allow.
8. Peter and Tom ________ in an accident yesterday.
A. are hurt B. were hurted C. were hurt D. have been hurt
9. The fire ________ by an electrical fault.
A. could have caused B. could been have caused
C. could have been caused D. have caused
10. Learning English ________ easy.
A. says not to be B. said to be not C. is said be not D. is said not to be
11. We are waiting for the telephone ________ so that we can have a talk to our son.
A. be connecting B. to be connected C. connected D. be connect
12. My house ________ white.
A. used to paint B. are used to being painted
C. used to be painted D. used to painted
13. Chinese ________ by more than one billion people all over the world.
A. speaks B. is speaking C. spoken D. is spoken
14. Modern zoos are very different from zoos which ________ fifty years ago.
A. was built B. was building C. to be built D. building