Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
I. From each number, pick out the word whose underlined part is pronounced differently from the others.
1. A. continent B. depend C. send D. pretend ( e cuối)
2. A. says B. prays C. plays D. days ( ay)
3. A. climate B. pride C. quit D. primary (i)
4. A. invite B. pick C. ticket D. kitchen (i)
5. A. lock B. shock C. block D. program (o)
6. A. bad B. sad C. day D. catch (a)
7. A. greet B. teeth C. deer D. knee (ee)
8. A. sign B. high C. sit D. mind (i)
9. A. enough B. laugh C. cough D. plough (gh)
10. A. champagne B. check C. cheese D. choose ( ch
I/ Choose the word or phrase that best fits the blank space in each sentence:
1/ Vietnamese people are very _________________ and hospitable.
A. reserved B. friendly C. official D. quiet
2/ She often goes to the _____________ to pray because her religion is Islam.
A. mosque B.pagoda C. church D. temple
3/ We knelt down in a place of worship and _________ for peace.
A. impressed B.depended C. said D. prayed
4/ Mathmatics and Literature are __________ subjects in high schools.
A. additional B. optional C. Compulsory D. religious
5/ The United States has a(an) _____________ of around 250 million.
A. population B. addition C. instruction D. territory
6/ The national__________ in Malaysia is Malay.
A. language B. currency C. religion D. climate
7/ During the year she was abroad, they ___________ by letter.
A. said hello B. kept together C. kept in touch D. lost contact
8/ The office is closed ___________ the weekend.
A. on B.in C. of D. for
9/ The two cities are the same __________ some ways.
A.as B. for C. in D. of
10/ Would you like to go and visit the museum tomorrow? - “ ___________ .”
A that right. B. I like to see it. C. You must want it. D. That would be great.
II/ Choose the underlined word or phrase(A,B,C, or D) that needs correcting:
1/ Mr Minh used to driving =>drive to work, but now he takes the bus.
A B C D
2/ Her friendliness made him happily.=>happy
A B C D
III/ Use the correct tense or form of the verbs in parentheses.
1/ They _______have been___ pen pals for over two years. ( be)
2/ I wish you ___had_________ a longer vacation. ( have)
3/ She used _____to walk_____ past the mosque on her way to school.(walk)
4/ Malaysia _____is devided______ into two regions. ( devide)
IV/ Use the correct form of the words in parentheses:
1/ The language of ____instruction_______ is Bahasa Malaysia. ( instruct)
2/ She enjoyed the ___peaceful_______ atmosphere in the mosque.( peace)
3/ Tourists are really impressed by the _____friendliness_____ of Vietnamese people. (friendly)
4/ English is a ___compulsory_______ second language in Malaysia. ( compel)
5/ The editor welcomes ____correspondence_____ from readers on any subject. ( correspond)
6/ I’m not ____officially_____supposed to be here. ( office)
V/ Choose the word or phrase that best fits the blank space in the following passage:
Malaysia is a country in South East Asia. It is a member of the ASEAN. It contsists ____ the Malay Peninsula and Sarawak and Sabah on the Island Borneo. It is _______ into regions, known as West Malaysia and East Malaysia. It has a tropical __________. It is the world’s biggest producer of palm oil, and it exports rubber, tin and gas. In addition to Islam, the county’s official ________, there are Buddhism, Hinduism and Chritianity. Malaysian people speak Bahasa Malaysia as a mother tongue. It is the language of __________ in all secondary schools.
English, Chinese and Tamil are also ___________ spoken in this country.
1/ A. at B. in C. of D. for
2/ A. comprised B. devided C. impressed D. corresponded
3/ A. climate B. weather C. region D. territory
4/ A. region B. religion C. population D. language
5/ A. attraction B. association C. instruction D. production
6/ A. easily B. simply C. really D. widely
VII/ Rewrite the sentences so that they are nearest in meaning to the sentence
printed before them.
1/ When he was young, he live in Hanoi.
He used to live in HN when he was young_________________________________________
2/ What apity I don’t have a laptop.
I wish i had a laptop___________________________________________
3/ The beauty of the city really impressed Maryam.
Maryam was really impressed by the beauty of the city__________________________________________
4/ Please keep quiet in the classroom.
I’d rather you __kept quite in the classroom_______________________
II. Choose the word or phrase that best completes each unfinished sentence below or subtitutes for the underlined word or phrase.
6.The window can't_______
A.be open B. be opened C. be opening D. opened
7. Mike explained that he wouldn't be home because he____ work late .
a. have to b. had to c. has to d. has had to
8. Jim told us where _____ it.
a. to find b. finding c. for finding d. finds
9. Manuel claims that he did the work without help.
a. says b. tells c. asks d. promises
10. These ancient buildings are part of the national _____.
a. resources b. heritage c. belongings d. possession
11. He ________me when to come. A. told B. said C. spoke D. promised 12.In Utah, they saw trees ________ “Joshua trees”. A. called B. calling C. were called D. be called 13.Don’t forget ________off the lights before going out. A. to turn B. turning C. turn D. turned 14.Helen sounded ________when I talked to her. A. happy B. happily C. easy D. easily 15.All of the children participated ________decorations for their classroom. A. to make B. for making C. in making D. of makingơ thiếu 3 câu
11. He_____me when to come. a. told b. said c. spoke d. promised 12. In Utah, they saw trees _____ “Joshua trees”. a. called b. calling c. were called d. be called 13. Don’t forget _____ off the lights before going out. a. to turn b. turning c. turn d. turnedII. Pick out the word whose stress is placed differently from the others in each group. Identify your answer by writing the corresponding letter A, B, C or D on your answer sheet.
1. A. collect B. advise C. practise D. prepare
2. A. Improvement B. resident C. department D. environment
3. A. university B. documental C. historic D. electricity
4. A. graduation B. agricultural C. industrial D. recommend
5. A. intelligent B. difficult C. interesting D. hospital
B. LEXICAL - GRAMMAR
I. Choose from the four options given (marked A, B, C and D) one best answer to complete each sentence. Identify your answer by writing the corresponding letter A, B, C or D on your answer sheet.
1. Faraday attended a lecture ___________ by a famous scientist.
A. giving B. gave C. given D. to give
2. We couldn’t help___________ when he told us what had happened.
A. laugh B. to laugh C. to be laughing D. laughing
3. “___________ bad weather we are having this summer!” said the woman.
A. What a B. How C. What D. How this
4. I understand most of this, _________ there are still one or two points I would like you to clear up for me.
A. however B. but C. therefore D. so
5. Could you buy me a copy of the newspaper___________ your way to work?
A. for B. by C. along D. on
6. The car was easy to recognize so it wasn’t ___________ difficult for the police to catch the thieves.
A. much B. many C. too D. such
7. I was so tired that I ___________ asleep in the chair.
A. got B. went C. felt D. fell
8. This is Mr. White ___________ invention has helped hundreds of disabled people.
A. who B. which C. that D. whose
9. I need some help with the table. ___________ you lift the other end, please?
A. May B. Should C. Could D. Shall
10. She used to___________ her living by delivering vegetables to local hotels.
A. earn B. to earn C. earning D. earns
II. Each sentence below has four underlined words or phrases marked A, B, C, D. Circle one underlined word or phrase that must be changed in order for the sentence to be correct. Identify your answer by writing the corresponding letter A, B, C or D on your answer sheet.
1. People think computers never do any mistakes, but in fact, they do.
A B C D
2. Going to the cinema is an enjoyable way relaxing at weekend.
A B C D
3. Since Mai looks a bit pale these days, I think she should have taken up some exercises.
A B C D
4. He appears being a perfect man but in fact, he is very rude to his wife.
A B C D
5. The youth nowadays prefer pop music than traditional music.
A B C D
III. Supply the correct form of the words in brackets. Write your answer on your answer sheet.
1. She had never been greatly concerned about her appearance (APPEAR)
2. The majority of people interviewed prefer TV to radio. (MAJOR)
3. I'm afraid I was very satisfied with the travel arrangements. (satisfy)
4. Even the most insensitive person ought to appreciate the beauty of this music. (sense)
5. If she can make up such stories, she is certainly a very imaginative girl. (imagine)
C. READING
I. Read the following passage then choose the best answer from the four options (marked A, B, C and D) to complete the numbered blanksin the passage. Identify your answers by writing the corresponding letter A, B, C or D on your answer sheet.
Christmas is a Christian holiday. It commemorates the __________ (1) of Jesus Christ more than 2,000 years ago. Christian churches hold ___________(2) services to celebrate Christmas ______(3) midnight on Christmas ____________(4), most churches hold special candlelight services. But Christmas is also a social and family____________(5). It is a festival of goodwill, a
time____________ (6) family, friends, food, and gift-giving. Many Americans share Christmas cookies, decorate their home, and place presents ____________(7) the family Christmas tree. Children often hang up stockings for Santa Claus to fill _________(8) small gifts. __________ (9) tradition, Santa comes on a sleigh pulled by reindeer. Presents are ____________(10) opened on Christmas Eve or Christmas Day.
1. A. day B. birth C. God D. father
2. A. Religious B. religion C. region D. regional
3. A. On B. in C. under D. at
4. A. Morning B. afternoon C. evening D. Eve
5. A. Christmas B. holiday C. weekend D. day
6. A. Of B. to C. for D. on
7. A. on B. under C. beside D. in
8. A. With B. in C. of D. on
9. A. Despite B. Because of C. According to D. But
10. A. Never B. rarely C. sometimes D. usually
III. Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Question 5: My father used to (A) giving me (B) some good advice (C) whenever I had (D) a problem.
-> give
Question 6: The woman (A) of whom the red car (B) is parked in (C) front of the bank is (D) a famous pop star.
-> in
Question 7: (A) Migrant workers (B) live in (C) substandard unsanitary, and dilapidated housing and often (D) are lacking medical care.
-> are lack
IV. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Question 8: _______ is the study of the Earth's physical features and the people, plants, and animals that live in different regions of the world.
A. Science B. Geography C. History D. Technology
Question 9: As it was getting late, the boys decided to _______ the campfire and crept into their sleeping bags.
A. put up B. put off C. put out D. put on
Question 10: You shouldn't _________to your teacher that. It was very rude.
A. have talked B. talk C. have be talked D. talked
Question 11: We _________for three hours and are very tired.
A. are walking B. have been walking C. were walking D. had been walking
Question 12: It is believed _________causes insomnia.
A. too much caffeine which B. that too much caffeine
A.PRONUNCIATION.
Choose one word whose underlined part is pronounced differently from the others.
1. A. out B. around C. about D. would
2. A. watched B. stopped C. wanted D. walked
3. A. government B. environment C. comment D. development
4. A. pollution B. information C. question D. invitation
B.LANGUAGE FOCUS.
Question I. Circle the best option A, B, C or D to complete each sentence.
1.She turned_______ the new job in New York because she didn't want to move.
A. on B. down C. off D. up
2.My father enjoys_________ English very much.
A. learning
B. learnt
C. to learning
D. to learn
3.My car ______________ tomorrow.
A. will be repaired
B. is repaired
C. was repaired
D. were repaired
4. Please turn ___ the light when you leave the room.
A. onB. off C.up D. down
5. He asked________ it was too early to apply for the course.
A. if B. for C. when D. that
6.If I _________________free time , I will go swimming.
A. have B. has C. is havingD. will have
7.Men used __ the bread winner of the family.
A. be B. to be C. to being D. to
8.They haven’t seen this film, _____________
A. do they B. don’t they C. haven’t they D. have they
9.I wish I _____ his name.
A. knew B. know C. will knowD. would know
10. I invited him to join our trip to Ha Long Bay , but he __ down my invitation.
A. passedB. satC. turned D. closed
11. They have moved to England ________ 1999.
A. since
B. at
C. for
D. in
12.You should ___ the shoes when coming into the Japanese houses
A. take offB. put on C. get off D. take on
Question II. Write the correct form of the verb in each bracket.
1. My brother often (go) _goes__ to school by bike every day.
2. My house (build) ___________was built_________ yesterday.
3. My father enjoys (watch) ______watching_____ television in the evenings.
4. He (live) ________has lived________here for four years.
5. When I (come) _____came____home from work yesterday, my mother was cooking dinner.
6. I don’ know many English words. I wish I (know) ____knew_____more English words.
Question III. Give the correct form of the words given in brackets.
1. One of the _____attractions______in my hometown is the traditional market, which is open every Sunday. (ATTRACT)
2.These baskets are _______woven_______ from strips of bamboo.(WEAVE)
3. Sydney, located in the state of New South Wales, Australia , is a city of national and ____cultural_____ diversity. ( CULTURE )
4.In the old days, almost all grown up girls in this village learnt how to make these _____traditional____ hats. ( TRADITION).
A.PRONUNCIATION.
Choose one word whose underlined part is pronounced differently from the others.
1. A. out B. around C. about D. would
2. A. watched B. stopped C. wanted D. walked
3. A. government B. environment C. comment D. development
4. A. pollution B. information C. question D. invitation
B.LANGUAGE FOCUS.
Question I. Circle the best option A, B, C or D to complete each sentence.
1.She turned_______ the new job in New York because she didn't want to move.
A. on B. down C. off D. up
2.My father enjoys_________ English very much.
A. learning
B. learnt
C. to learning
D. to learn
3.My car ______________ tomorrow.
A. will be repaired
B. is repaired
C. was repaired
D. were repaired
4. Please turn ___ the light when you leave the room.
A. onB. off C.up D. down
5. He asked________ it was too early to apply for the course.
A. if B. for C. when D. that
6.If I _________________free time , I will go swimming.
A. have B. has C. is havingD. will have
7.Men used __ the bread winner of the family.
A. be B. to be C. to being D. to
8.They haven’t seen this film, _____________
A. do they B. don’t they C. haven’t they D. have they
9.I wish I _____ his name.
A. knew B. know C. will knowD. would know
10. I invited him to join our trip to Ha Long Bay , but he __ down my invitation.
A. passedB. satC. turned D. closed
11. They have moved to England ________ 1999.
A. since
B. at
C. for
D. in
12.You should ___ the shoes when coming into the Japanese houses
A. take offB. put on C. get off D. take on
Question II. Write the correct form of the verb in each bracket.
1. My brother often (go) _goes__ to school by bike every day.
2. My house (build) ___was built___ yesterday.
3. My father enjoys (watch) ___watching________ television in the evenings.
4. He (live) ______has lived__________here for four years.
5. When I (come) _____came____home from work yesterday, my mother was cooking dinner.
6. I don’ know many English words. I wish I (know) ___knew_____more English words.
Question III. Give the correct form of the words given in brackets.
1. One of the _____attractions______in my hometown is the traditional market, which is open every Sunday. (ATTRACT)
2.These baskets are ______weaving_______ from strips of bamboo.(WEAVE)
3. Sydney, located in the state of New South Wales, Australia , is a city of national and ___cultural______ diversity. ( CULTURE )
4.In the old days, almost all grown up girls in this village learnt how to make these ___traditional______ hats. ( TRADITION).
Question IV. Choose the underlined word or phrase (A, B, C or D) that needs correcting.
I. Choose the word that has the underlined part pronounced differently from that of the others. (1pt)
1. A. camping B. recycle C. vacuum D. communicate
2. A really B. healthy C. regularly D. identify
3. A. purpose B. bottle C. collect D. second
4. A. sofa B. away C. banana D. occasion
II. Choose the right words to fill in the blanks. (2pts)
1. My brother …….table tennis everyday (A. does B. takes C. makes D. plays)
2. My aunt always gives me doll……special occasions. (A. on B. in C. at D. of)
3. If you have a lot of bottles or stamps, your hobby is……(A. dancing B. painting C. collecting D. reading)
4. He keeps sneezing and coughing. I think he has… (A. a sunburn B. the flu C. a toothache D. a stomachache)
5. You should eat……..junk food if you want to stay healthy. (A. more B. much C. fewer D. less)
6. The Japanese eat much fish, ….. they live for a long time. (A. and B. because C. but D. so)
7. We’ve asked people to…..books and clothes to the children. (A. give B. donate C. cut D. both A and
UNIT 1 Friendship
I. Choose the word that has the underlined (letters) pronounced differently from the others.
1. a. machine b. change c. teacher d. choose
2. a. condition b. option c. suggestion d. relation
3. a. believe b. readily c. friend d. pleasure
4. a. good b. gossip c. game d. geometry
5. a. trust b. mutual c. number d. uncertain
II. Choose the one word or phrase - a, b, c, or d - that best completes the sentences or
substitutes for the underlined word or phrase.
6. It was so relaxing to be ________ old friends.
a. in b. between c. among d. around
7. She's made friends ________ a little girl who lives next door.
a. to b. of c. by d. with
8. The children seem to be totally capable ________ working by themselves.
a. on b. of c. in d. for
9. Your friendship should be based on ________ trust.
a. basic b. fragile c. mutual d. blind
10. The company expects ________ from its employees.
a. constancy b. quality c. interest d. loyalty
11. I've got lots of _______, but only a few are really good friends
a. close friends b. acquaintances c. neighbors d. partners
12. Friendship is a two-sided ________, it lives by give-and-take.
a. affair b. event c. aspect d. feature
13. Unselfishness is the very essence of friendship.
a. romantic part b. important part c. difficult part d. interesting part
14. They ________ a close friendship at university.
a. created b. became c. promoted d. formed
15. We stayed friends even after we ________ and left home.
a. brought up b. turned up c. grew up d. took up
III. Choose the word or phrase -a, b, c, or d -that best completes the sentence.
16. He finds it ________ lasting friendships.
a. difficult to make b. difficulty in making c. is difficult to make d. difficult making
17. You ________ any friends if you ________ talking like that.
a. will win/ carryon b. won't win/ carryon
c. wouldn't win/ carried on d. would have won/ had carried on
18. The aim of the culture festival is ________ friendship between the two countries
a. promote b. promoting c. to promote d. being promoted
19. People he ________ turned out to be only fair-weather friends.
a. trusted b. has trusted c. was trusting d. had trusted
20. How can you let such a silly incident ________ your friendship?
a. wreck b.to wreck c. wrecking d. that wrecks
21. It has become necessary ________ water in the metropolitan area because of the severe drought.
a. rationing b. ration c. to ration d. to have rationed
22. All the passengers were made ________ their seat belts during the turbulence.
a. buckle b. to buckle c. buckling d. for buckling.
23. ________ good ice cream, you need to use a lot of cream.
a. Make b. Making c. To make d. For make
24. I got my friend ________ her car for the weekend.
a. to let me to borrow b. to let me borrow c. let me borrow d. let me to borrow
25. They _______ good friends, but they've fallen out recently.
a. used to be b. would be c. were d. are
IV. Identify the one underlined word or phase - A, B, C or D - that must be changed for the
sentence to be correct.
26. Whatever happened, I didn't want to lose friendship of Vera.
A B C D
Reference Material For 11
th
- grade students All Rights reserved
1
Lien Son High School – English Group New teaching and testing projects
27. The basic aims of science and magic are very similar - to understand and to control nature
A B C D
28. It was a period of her life when she made some lifelong friendship.
A B C D
29. Simon finds it hard for making friends with other children.
A B C D
30. Not longer are contributions to the advancement of industry made primarily by individuals
A B C D
II. Choose the word or the phrase or sentence that best completes each unfinished sentence below or that best keeps the meaning of the original sentence if it is substituted for the underlined word or phrase.
1. Maryam was really impressed by the ________ of Ha Noi people.
A. beauty B. friendly C. friendliness D. friend
2. Lan used ________ past the mosque on her way to school.
A. walk B. walked C. to walk D. walking
3. I wish you ________ a longer vacation.
A. have B. don't have C. had D. to have
4. Maryam wanted ________ Lan to visit Kuala Lumpur next summer.
A. invite B. to invite C. invited D. inviting
5. Is Ha Noi different ________ Tokyo?
A. to B. from C. of D. between
6. Please to meet you. Let me ________ myself. I'm Minh.
A. introduce B. invite C. to introduce D. introducing
7. The ________ of Viet Nam is about 80 million.
A. area B. climate C. population D. language
8. Buddhism is the official ________ in Viet Nam.
A. region B. religion C. capital D. currency
9. English is a ________ second language in Malaysia.
A. primary B. climate C. national D. compulsory
10. Hoa and Lan ________ shopping yesterday.
A. went B. go C. make D. bought
11. Bao is not a good student. -->He wishes he ________ a good student.
A. was B. is C. weren't D. were
12. Malaysia ________ into two regions: West Malaysia and East Malaysia.
A. divided B. is dividing C. is divided D. divides
13. My pen pal and I are far away from each other, but we always ________
A. keep on B. get on C. keep in touch D. write on
14. Is physical education________ in your school?
A. traditional B. additional C. national D. compulsory
15. Her good behaviors made a deep________ on all the class members.
A. impression B. expression C. kindness D. happiness
16. The________ language of Malaysia is Bahasa Malaysia.
A. international B. national C. continental D. country
17. It seems difficult for me to have a trip________at present.
A. abroad B. outside C. above D. inside
18. Malaysia is________ into two regions: The East and the West Malaysia.
A. separate B. divided C. parted D. comprised
19. They have________ for nearly two years, but this was their first meeting.
A. worked B. written C. corresponded D. talked
20. A person with whom one becomes friendly by corresponding is a ________
A. writer B. pen-name C. pen-friend D. pen-writer
21. Visitors are welcomed by friendly and hospitable______ of Vietnamese people.
A. attitude B. expression C. impression D. religion
22. They really enjoy the peaceful________ in Vietnam.
A. impression B. atmosphere C. expression D. faces
23. This is a difficult problem. I wish I ________the answer.
A. know B. knew C. had known D. would know
24. I couldn’t come to Mary’s birthday party last night. I wish________ there.
A. I could B. I had come C. I could have come D. came
25. Mr. Poole has lived in Vietnam for many years. He _______the hot climate here.
A. used to B. is used to C. gets used to D. b &c are correct
26. She arrived ________two o’clock________ the morning.
A. at/ on B. in/ in C. at / in D. on/ in
27. I’m worried about my basketball team. I ________they play well.
A. wish B. hope C. want D. ask
28. I wish i earned more money, but in fact I ________ .
A. don’t B. did C. earn D. didn’t
29. Sit down everybody. The film is ________to start.
A. ready for B. about to C. coming to D. already
30. We ________her a happy new year.
A. wished B. said C. told D. wanted
31. You can’t smoke in here. It is ________the law.
A. according to B. again C. against D. opposite
32. Brown and yellow hair is fashionable________the moment.
A. in B. at C. over D. on
33. Tan doesn’t know________about sports.
A. nothing B. things C. anything D. something
34. I knew Jane________I was a child.
A. until B. as C. during D. through
35. It’s pouring with rain again! If only I________an umbrella.
A. have B. having C. had had D. had
36. Frenda came to the meeting but Charles didn’t. I wish he________there.
A. did B. were C. had come D. came
37. Miss White is a nurse. She ________working at night.
A. used to B. uses to C. is used to D. has used to
38. Precious metals such as gold, silver________for making jewelries.
A. used to B. are used C. is used D. used
39. You remind me________your uncle. We used to work ________each other.
A. of/ to B. of / with C. with / for D. for/ with
40. Wear a helmet when riding a motorbike. Helmets are used________our heads.
A. to protect B. protect C. protecting D. protected
41. I always read books before bedtime. I ________reading books at night
A. am used for B. used to C. am used to D. was used to
42. You________too fast. That’s why you feel tired.
A. walk B. are walking C. were walking D. walked
43. It’s a pity you didn’t go on a trip with us. We all wish________with us.
A. go B. could go C. went D. had gone
44. ________ did you start playing basketball? –I was 15 years old.
A. Why B. Where C. How D. When
45. We must wait ________ Friday for our final exam results.
A. after B. by C. until D. later
46. He never drinks beer. He ________drinking beer.
A. used B. isn’t used to C. used to D. isn’t used for
47. “ Can I smoke is here?” –“ I’d rather you ________.”
A. don’t B. didn’t C. can’t D. couldn’t
48. The house comprises two bedrooms, a kitchen and a bathroom.
A. consists of B. gets C. divides D. takes
49. My pen pal lives in the USA. We have _______for years but we haven’t met each other yet.
A. worked B. written C. corresponded D. talked
50. I love this city. The ________of the city impress me a lot.
A. views B. sights C. places D. faces
1C,2C,3C,4B,5B,6A,7C,8B,9D,10A,11D,12C,13C,14B,15A,16B,17A,
18B,19C,20C,21A,22B,23B,24B,25D,26C,27B,28A,29D,30A,31C,32B,
33C,34B,35D,36C,37C,38B,39B,40A,41C,42C,43D,44D,45C,46B,47B,
48A,49C,50B.