开放英语期末考试模拟试题及答案
国开《开放英语2》2023期末考试及答案(试卷号：2205)
国家开放大学电大专科《开放英语 2》2023 期末考试及答案(试卷号：2205)11. is wrong with the car. It won’ t start.B. SomethingA. NothingC. Everything12. If I Peter, I him about the meeting.A. see, will tellB. see , tellC. will see , tell13. If you the tickets , I will do the packing.A. will bookB. bookC. booked14. He me he was going to Japan next Wednesday.A. saidB. tellC. told\ 5. You wear a uniform at school. You can wear anything you like.A. have toB. don’ t have toC. have16. The man me if I knew the way to subway station.A. toldB. askedC. saidl7. The painting , is on the wall over there , won a prize in a competition.A. whomB. whoC. which18. A car hit her when she was walking the road.A. acrossB. throughC. at19. It’s to learn how to play tennis.A. easilyB. easyC. lazy20. Get up ! Mary. Tom has called you three times this morning.A. yetB. alreadyC. never21. They smashed the window. (@ @ jp )22. “ Where is my bag*” she asked. (J tij @Q |’a9 3 | %)23. It was a place. He wanted to go there. (J]j where JJ tij@ J%J tij )24. I’ m tall and thin. My sister is too. (fQ so @ @ Tj J)25. Although it rained , she liked the trip. (JI| in spite of Tj —Tj )z6—3o a:i¥I@J*sJBie.A A•«.c T@&6@KI—TzM@&.9z@asA1M&@Poll y • Franco , who do you take after in your family ?Franco : Definitely my mother. We’ re both quite moody and impatient. We used to argue a lot when I was growing up , because she’ s quick-tempered. Also , we’ re both talland thin.Poll y ; Do you look like her as well ?Franco : No , I look like my dad, but he’ s very calm. I am more romantic. What about you?Poll y : People say I look like my m um. We’ ve got the same nose , unfortunately. But I’ m not like her in other ways. She’s shy whereas I’ m much more sociable-I love being with my friends and meeting new people , but she hates it. I m more like my dad, Ithink. What about you , Mary?Mar y : I’ m a natural optimist , j ust like my dad. He is never pessimistic. I always think that everything will work out well in the end and so does he. I’ ve got the same sense ofhumour as my mum. We both laugh at stupid things. I suppose I look a bit like mygrandmother. We’ ve got the same smile , and we both have very dark hair.26.Franco ’s is talland thin.A. mumC. daughter27. Franco ’s dad is .A. quick-temperedC. calm B. dadB. romantic28. Polly s mum is and meeting new people.A. sociable ; lovesC. shy ; lovesB. shy ; hates29. Mary is a(n) , j ust like her dad.A. optimistC. artistB. pessimist30. Mary has the same like her grandmother.A. eyesC. smileB. nose31. They walked slowly along the road.32. I’ m in a meeting until 1. 00.33. The accounts › which are in a bit of mess › have to be ready for next month.34. We have enough money to improve the website.35. They enjoyed themselves at the party.。
“开放专科”期末考试英语I(1) 试题及答案(完整小抄,考试必备)
“开放专科”期末考试英语I(1) 试题及答案选择填空: 阅读下面的句子和对话、从A、B、C三个选项中选出一个能填人空白处的最佳选项.1. Liu Fan is working on TV advertisement, but right now he is ( B ) holiday.A. inB. onC. for2. She work next Monday. ( B )A. startB. startsC. starting3. Polly goes to a gym twice ( B ) week with her friends.A./B. aC. the4. Rose is ( C )easy-going than Frank in the interview.A. muchB. manyC. much more5. Would you like to( A ) a reservation for dinner in the restaurant this evening?A. makeB. giveC. hold6. A: bike is this? Bt It% mine. ( A )A. WhoseNB. WhoC. Who's7. I’m hungry. Could you get a sandwich for, please?( C )A. IB. myselfC. me8. My father is a programmer and he works in ( B )A. computerB. computersC. a computer9. A: Can you get a coffee for me? B: Yes, ( C )A. I get.B. I can get.C. of course.10. Mary is ~ in maths than John. ( B )A. little interestedB. less interestedC. as interested11. The house is very close to the railway station,so it’s very ___C____ for transport.A.expensiveB.noisyC.convenient12. ----_ B _ was the meeting like? ----It was very exciting. A.How B.What C.Why13. ----I am from England. ----__ A__. A.So am I B.So do I C.Neither am I14 . I’m bad at spelling,but Jane is __B__ me. A.bad with B.worse than C.less than15. ----The classroom is not big enough for 50 students. ----Yes,I agree.It’s___A___.A.too smallB.no bigC.not small enough16. Hello,__A__ Franco Rossi speaking.Can I speak to Polly Williams?A.this isB.he isC.I am17. She has a problem ___A___ the flat advertisement. A.with B.for C.of18. ----Should I take some me dicine? ----No,you ____B____ to take any medicine.A. should notB. don’t needC. have not19. When ___A___ for London? A.is she flying B.she flies C.she is going to fly20. ___A___ people are my friends. ________ people are my husband’s friends.A.These,ThoseB.This,ThatC.Here,There21. I don’t need ____C___ mineral water,but I’d like ________ tea,thanks.A.some,anyB.any,anyC.any,some22. You can paint the walls and ____A___ posters.You can do what you want.A.put upB.put downC.put on23. I’ll give __A__ A.the man the book B.the book the man C.the book for the man24. I don’t like London.It is ____A____ Beijing.A.different fromB.different asC.as different as25. __ _B___ does the flat cost a month? A. How many B.How much C.How about26. David’s younger brother is ___B___ engineer. A.a B.an C.the27. This is his book.Could you give it ____A___ him? A.to B.with C.for28. I’m sorry she’s not in.Would you like to ___C___ a message? A.keep B.rest C.leave29. It often ___C____ in winter in the north of China. A.snow B.is snowing C.snows30. Lily and Lucy are ___C__ a picture-book in their room.A.lookingB.watchingC.reading31. What’s ___C___ job? Are ____ British? A. your, your B. you, your C. your, you32. London is C capital of Britain, and it is ____ great city, too. A. a, the B. the, / C. the, a33. This is his book. Could you give it __A___ him? A.. to B. with C. for34. Does David A ? A. like flying B. likes fly C. likes to fly35. A: __B___ you like a drink? Wine? Beer? B: A beer, please.A. CouldB. Would C．Should36. Mr Manning _C___ in Paris today and tomorrow. A. work B. working C. is working37. The area is convenient transport. C A. at B. on C. for38. A: I like documentaries on TV. B: __B___. A. So am I B. So do I C. So have I39. You can paint the walls and __A___ posters. You can do what you want.A. put upB. put downC. put on40. Tell me about your new friend. ___B____ is he like? A. How B. What C. Why41. This watch is that one. A A. as expensive as B. very expensive than C. more expensive to42. A: __A_ ? B: Yes, I do. My mother and father live in Oxford.A. Do you have any familyB. Where are your father and motherC. Have you any family43. A: Hello. I’m David Manning. Nice to meet you. B: _____C______.A. I’m nice, tooB. Fine, thank youC. Nice to meet you, too. I’m Xiaoyan44. A: What do you do? B: ___ B__ __.A. I am washing the dishes nowB. I am a policemanC. I do my homework45. A: The shower isn’t working. B: ________B__________.A. I come to call the plumberB. I’ll call the plumberC. I like calling the plumber 46．Did you A early this morning?A．get Up B．got Up C．getting up47． B stole his camera while he is lying On the beach．A．Anyone B.Someone C Everyone48. The baby is named C the nurse who was looking after her．A．with B．for C aher49. Afterthey hnished A fOOtball，theywent fOra drink ina pub．A．playng B. tO play C．play50．Shewillhavethecurtain(窗帘) B beforetheguestscome．A．tO be Changed B.Changed C．Changing51. Shall we C a“me fOr our next meeting?A．make B .decide C．fix52 . I have no idea whO st01e his wallet．It A anyone．A．COUld have been B．ShOUld have been C. must have been53. I C here fOralmost 20 years．A．1ive B．am gOing tO 1ive C．have been 1iving54. DaUaniseast B Beiing，thecoast．A．tO，on B．Of，on C．Of，at55. He C to the hospital after the accident．A. tookB. was takingC. was taken选择填空。
国开《开放英语2》2024期末考试及答案(试卷号：2205)
国家开放大学电大专科《开放英语 2》2024 期末考试及答案(试卷号：2205)11. The man me if I knew the way to subway station.A. toldB. askedC. said12. This photo be of Beij ing, There’s the Great Wall.B. couldA. can’ IC. must13. China and Canada are the same size.A. aboutB. underC. over14. She’ s the person owns the restaurant.A. whoB. whichC. what15. Mike offered to help and so john.A. doesB. isC. did16. If I you , I’ d sell that car as quickly as possible.B.amA. wereC. was17. A . What does sheB: Oh , she’s very beautiful with long dark hair.A. look likeB. take afterC. like]8. is wrong with the car. It won’ t start.A. NothingB. SomethingC. Everything19. If I Peter, I him about the meeting.A. see , will tellB. see , tellC. will see , tell20. If you the tickets, I will do the packing.A. will bookR. bookC. booked21. Where is the restaurant j (J}| He asked Tj @Q |1I] J GQ lr1 Tl)22. He didn t catch the bus. ()J{ enough. . . to @@ Tj T)23. 5he’s coming here. She’s signing the contract. ( ii{i In J@QQ}IfiTj —@ )24. I’ m a teacher and she is also a teacher. (jJ} so @@ @ J)25. They smashed the window. (@,QJ % ){iiI J J{Q @irp ( o;t 20 fi , fl 'J' a 4 n ) 26—3o k £t : i B T NJ K A ,R A.I.c JiXW & i fi i :8 —I i£G fi R P B R& tfi A U th HifiMary has j ust returned to the USA after studying in England for three years. She decided to study at a British university rather than an American one because her mother is from England and she wanted to get to know her mother’s family better. She studied English Literature at Goldsmiths’ College , which is in London. She lived with her grandmother while she was studying. The college was recommended by a friend’ s brother who had studied in England for his MBA. Mary told her friends that she was going to return to Europe to work because she had enjoyed her time in England so much.26. Mary is nowin .A. EnglandC. France27. She studied atuniversity. A. a BritishC. a Chinese28. Most probably , her grandmotherA. worked in the collegeC. lived in LondonB. the USAB. an AmericanB. studied English Literature29. Her friend’ s brother recommended her to.A. study for her MBAB. study in the collegeC. work for his company30. Mary would return to Europe toA. studyB. spend her holiday。
开放英语1期末考试模拟试题及答案1
开放英语1期末考试模拟试题及答案1 I. Listening ComprehensionSection A: Short Conversations1. A) The blue one.2. C) It’s on the table.3. B) She put it in the bag.4. A) A magazine.5. C) It’s a little bit spicy.Section B: Passages6. B) Visit the local museum.7. C) They were scared by a sudden noise.8. A) The White House.9. B) A famous historical figure.10. C) It was built during the 16th century.II. Reading ComprehensionSection A: Multiple Choice Questions11. C) To provide students with valuable work experience.12. D) By recommending suitable candidates to employers.13. B) Ensure students receive appropriate training and knowledge.14. A) It allows students to focus on their studies.15. D) They often lack practical skills required in the workplace.16. C) It teaches students to cooperate effectively in a team.17. A) Broaden students’ understanding of the job market.18. B) Give opportunities for students to showcase their abilities.19. D) It is built upon a strong theoretical foundation.20. B) Universities should prioritize practical skills development. Section B: True or False Statements21. T22. F23. T24. F25. T26. F27. F28. T29. F30. TIII. Vocabulary and Structure31. D) had been practicing32. C) which33. A) to34. B) otherwise35. A) are harmful to36. D) a large amount of37. B) reassured38. A) more popular than39. C) who had arrived40. D) in caseIV. Error Correction41. √42. activities -> activity43. separate -> separated44. has been working -> worked45. But -> Although46. complete -> completed47. up -> out48. of -> for49. with -> in50. No errorV. WritingWashington, D.C. TripDuring the summer vacation, our school organized a trip to Washington, D.C. It was an amazing experience for me and my fellow classmates.First, we visited the White House, the official residence of the President of the United States. The architecture and grandeur of the building were truly impressive. We learned about the historical significance of the White House and its role in American politics. The tour guide provided fascinating insights into the daily lives of past presidents and their families.Next, we explored the National History Museum. The exhibits showcased the diverse heritage and culture of the United States. It was incredible to see artifacts from different periods in American history, ranging from Native American tribes to the Civil Rights Movement. The interactive displays made learning engaging and enjoyable.Additionally, we had the opportunity to visit the Lincoln Memorial. Standing at the foot of the statue, we felt a sense of reverence and admiration for Abraham Lincoln, a prominent historical figure who played a crucial role in abolishing slavery. It was a powerful moment that deepened our understanding of the struggles for equality and freedom.Furthermore, we took a tour of the Capitol Building, where the United States Congress meets. The stunning architecture and intricate details left usin awe. We gained insights into the legislative process of the country and witnessed democracy in action.Overall, the trip to Washington, D.C. was an enriching experience. It broadened our understanding of American history and culture, and enhanced our appreciation for the country's achievements. We returned home with unforgettable memories and a renewed sense of patriotism.In conclusion, the trip to Washington, D.C. provided us with a valuable educational opportunity. It allowed us to explore significant landmarks and learn about the history and politics of the United States. I am grateful for the chance to have participated in such a memorable journey.Note: The article has been written based on the given format of a narrative essay.。
国家开放大学电大专科《开放英语2》期末考试标准题库及答案
国家开放大学电大专科《开放英语2》期末考试标准题库及答案（试卷号：2205）《开放英语2》题库一第一部分 交际用语（共计10分.每小J82分）1-5 » :阅读下面的小对话，判断答培是否恰当.恰当的选A （ Right ） .不恰当的选B （Wrong ）,并将答案勇在答赃纸上。
L — Hellot Xiaoyan. How was the pnriy? — Hu Jack. 1 met him yesterday. A. RightB. Wrong2. —Are you rsdy to order?—Yes. I'll have A chicken salAd plcAse e A. RightB. Wrong 3. — How can I book 8 cheap hotel? —If I were you. I'd phone a travel agents A. Right•:B. Wrong 4. —1 went to a fnshion show last niRht. —Who took away tny book? A. RightB. Wrong 5. —Have you been to America?—I've never been thertt but I hope to go there in the future. B. Wrong6—20题：阅读下面的句子,从A 、B 、C 三个选顼中选出一个能填入空白处的最佳选项,井在答 甄蛾上与出所选的字毋符号a6. It f s ________ t o learn how to ploy tennis.A. easilyB. easyC. lazy7. _______ I missed the tr.in, I arrived at work on time.A. Because Although C. If8. I'm not helping you. Yau must wash your sockji ___________A. youB. younjeMCe itself9. A ： What does she _______ ?B ： ()h, shtS very beautiful with long dark hair. A. look like B. take after C. like\Q. _______ is wrong with the car. It won f t start.A. Right第二部分词汇与结构（共计30分.每小2分）B. Something1 L 1i you the tickclMe I will do I he parkingeA. will bookB. bookC. bookedI2> Hr ______ mr he wn» Kning lu jApnn next W^dnZny.A. »aidB. fellC. told 13. Youwear A uniform nt 5chiH ）L You c/m wear anything you likeA. h«vc to H don e t have to C. hoveI L ChmA And （ Anndn nrc一 the sntnr *ixc tA< nbout B. underC. over15. She f s thr periion ___ _ nwirn the rmtnurnnl.A. who Be whichC. whnt16. Mikr of for rd to help and wJnhn. A> datM B. i ・ C. didI7e Mnry told Liltlr Potn nut _ nil the rnoneyaA. upendB. MpentC. tn »pcndl& Ai Have you finished yaur homework?Bi _______ . A. No« t didn r t B. No. I have. （\ No> I hnven *1, 19. I le u>ed ti ）very hnrd when he wast young.A> working H. workC< <o work20. Hr hns ________ gone out>Ae just B. now （\ n<x>n第三部分 旬型变涣（共计1》分.耳小赃3分）21 — 2眼根据括号里的奖求改与句干.并将答*写在答城上.2L H C you phone me biter* Suwn?"“id David.（用心k. . . lo 改句 f ）22. Hr didn*T run fw. 11（ didn't cntch the bm （月I tmeuRh. . . 2 将两句连成一句） 23« Ik disturbed lha burglars.（将句 f 改为被功倡态〉24. Su^in collected the iickct» th[» nwrning.（用 When 什对划翊部分提问） 25. I went chopping I needed a pntr ol shw.（用 bceai^r 将四句也成一句）A. Nothing C t Everything第四部分阅读理解（共计20分.每小蹭4分）26-30 H：阅读下列短文,从A.H.C三个逃项中选出一个正龄答案.并在答题纸上葛出所选的字毋符号。
《开放英语3》期末考试模拟试题1.docx
《开放英语3》期末考试模拟试题1第一部分：英语知识运用（共10 小题：每题 2 分，满 20 分）此部分共有10 个没完成的对话，针对每个对话中未完成的部分有四个选择，请你从 A ， B ， C，D四个选项中，选出正确答案。
1.--Would you like to have dinner with us this evening?--______C__________.A.OK, but I have to go to a meeting nowB.No, I can'tC.Sorry, but this evening I have to go to the airport to meet my parentsD.I don't know2.-- Hi, is Mary there, please?--________A________.A. Hold on. I'll get herB. No, she isn't hereC. Yes. she lives hereD. Yes, what do you want3.-- Please help yourself to the fish.-_______A_________.A. Thanks, but I don't like fishB. Sorry, I can't helpC. Well, fish don't suit meD. No, I can't4.-- Hurry up please, or I'll be late.--______B__________.A. Sorry sir, but the traffic is thick now'B. Well, it's alright, sirC. How can you say that, sir?D. Oh, we are going the right way5.-- Excuse me, but can you tell me the way to the airport?--______B__________.A. Don't ask thatB. Sorry, I'm a stranger hereC.No,I can't say thatD.No,you're driving too fast6.--How about a date to the movies tonight, Jane?--______B__________.A.I don't think soB.I'm sorry. I have to drive my mother home tonightC.Never mindD.Take it easy7.-- Are you ready to order desert, please?--_______D_________.8.-- Did Tom tell you to water the flowers?--_______C________.A. No. And so did IB. No. And neither did IC. He did. And so I didD.He did. And so do I9.-- Shall we sit up here on the grass or down there near the water?--_______A________.A. I'd rather stay here if you don't mindB. Sorry, I don't like neitherC. Certainly, why not?D. Yes, we like these two places10. --Would you mind changing seats with me?--______C_________.A. Yes. you canB. Of course, I like toC. No. I don't mindD. Certainly. please do第二部分：阅读理解（共20 小题，每小题 2 分，满分40 分）此部分共有 4 篇短文，每篇短文后有五个问题，每个问题后有四个选项，请你从 A ， B ， C， D 四个选项中，选出正确答案。
国家开放大学电大本科《开放英语3》2026-2027期末试题及答案(试卷号：1161)
国家开放大学电大本科《开放英语3》2026-2027期末试题及答案（试卷号：1161）
试题答案及评分标准
（仅供参考）
第一部分交际用语（共计10分，每小题2分）
1．B 2．B 3．C 4．A 5．C
第二部分词汇与结构（共计20分，每小题2分）
6．A 7．C 8．A 9．B 10．A
11．C 12.C 13．B 14．C 15.A
第三部分完形填空（共计30分，每小题3分）
16．B 17．C 18．C 19．A 20．B
21．A 22．B 23．C 24．A 25．C
第四部分阅读理解（共计20分，每小题4分）
26．C 27．B 28．B 29．C 30．A
第五部分书面表达（20分）
31．(1)评分原则
1)本题总分为20分，按6个档次给分。
2)评分时，先根据文章的内容和语言初步确定其所属档次，然后以该档次的要求来衡量、确定或调整档次，最后给分。
3)字数少于50的（不包括所给句子和标点符号）从总分中减去1分。
4)评分时应注意的主要内容为：内容要点、句型变化、运用词汇和语法结构的准确性。
5)评分时，如拼写错误较多，书写较差，以至影响交际，将分数降低一个档次。
(2)各档次的给分范围和要求。
2023年开放英语试点期末模拟试题
开放英语1 试点期末模拟试题（1）一、英语知识运用（20 分，每题1分）阅读下面旳句子和对话，从A、B、C三个选项中选出一种能填入空白处旳最佳选项，并点击答题区对应字母符号前旳小圆圈。
a1. ____ name is Jane. ____ is from the USA.A.Her, SheB.She’s, SheC.Her, Her2. Have you got _____ lychees?AA. someB. anyC. /3．Mr Green is now ____ a holiday. CA. inB. withC. on4. I’m a deputy manager. I work ______ an IT company.AA.forB.aboutC.with5.The Business Banking Department is on _____ second floor.A. /B. anC. the6. A: How often ______ take the medicine?B: You should take it three times a day.A.I shouldB.I should toC. should I7 It ______ heavily here at this moment.A. rainB. rainsC. is raining8. How do I ______ the gym?A.get toB.arriveC.go9. My aunt _____ for her friends at home.A. enjoy cookingB. enjoys cookC. enjoys cooking10. I’d like to _____you to a party this Saturday.A. sendB. inviteC. leave11. How many _____ would you like to buy?A.coffeeB.oilC. oranges12. Hurry up. We don’t have _____ time.A.manyB.enoughC.too many13. A: time do you have lunch?B: I usually have lunch at 12.B. WhatC. When14. A: I haven’t got a car.B: _____.A. Neither have IB. Neither do IC. Neither am I15. This radio is _____ than that one.A.more expensiveB.very expensiveC.as expensive16. A: The chair is not comfortable enough.B: Yes, I agree. It is _____.A. comfortableB. too uncomfortableC. enough comfortable17. _____ a coffee machine in the room?A.Are thereC.Have there18. A: _________________?B: I’ve got a bad cough.A. What’s the matter with youB. What is it likeC. How was your day yesterday19. A: Could you ring them up please? I’m sometimes quite nervous on the phone.B: ____________________A. Are you? I am fine.B. Yes, why don’t you call them?C. Yes, of course. I will phone them for you.20. A: How much is the rent of the flat?B: _________________.A. The hotel room is expensiveB. It is 450 pounds a monthC. It is near the center of the city二、阅读理解1 （5分，每题1分）阅读下列短文，从A、B、C 三个选项中选择一种对旳答案，并点击答题区对应字母符号前旳小圆圈。
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开放英语(1)期末考试模拟试题(及答案)
一、语音知识 ( 每题1分, 共5分)
比较下列各组单词的读音, 从A、 B、 C、 D中找出一个其划线部分与其它三个划线部分发音不同的选题。
1.( ) A. fast B. water C. dance D. ask
2. ( ) A. cup B. but C. rush D. during
3. ( ) A. food B. soon C. cool D. book
4. ( ) A. hear B. earn C. dear D. near
5. ( ) A. article B. sharp C. quarter D. harm
二、词语填空 ( 每题1分, 共5分)
6. The boy looked, but he could not ________ anything.
A. look
B. looked
C. look at
D. see
7. Speak loudly, please. I can’t ________ you.
A. listen
B. listen to
C. hear
D. heard
8. Lei Feng liked helping ________.
A. some
B. another
C. other
D. others
9. He was late ________ the bus.
A. because
B. because of
C. for
D. but
10. She can ________ English well.
A. say
B. talk
C. speak
D. tell
三、语法填空 ( 每题1.5分, 共15分)
从A、 B、 C、 D、四个选题中, 选出一个最佳答案。
11. I’m preparing ________ the exams.
A. on
B. at
C. for
D. in
12. How are you getting on ________ your study?
A. in
B. with
C. at
D. for
13. ”Must I clean the blackboard before class?” Yes, you
________.
A. may
B. can
C. must
D. mustn’
t
14. The book is not his. It is ________.
A. me
B. mine
C. my
D. myself
15. I’m afraid our room needs ________.
A. cleaning
B. to clean
C. cleaned
D.
being cleaned
16. It seems ________ me that there is something wrong with my TV set.
A. to
B. for
C. through
D. from
17.She can’t come to school today ________ illness.
A. because
B. for
C. because of
D. as
18. Football is ________ interesting game that people all over the world play it.
A. such an
B. such a
C. so a
D. so an
19. He has decided to give up ________.
A. to smoke
B. smoking
C. smoke
D. smoked
20. have you ever ________ to New York?
A. gone
B. been
C. going
D. went
四、完形填空 ( 每题 1.5分, 共15分)
阅读下面短文, 然后从各题所给的四个选题中选出一个最佳答案。
Cats and dogs can 21 their way home, often over long distances. We often hear 22 cats which disappear
when the people 23 keep them 24 to a new
area and are later 25 back at their old home. We do
not know 26 they find the way. In the same way,
many kinds of birds 27 from one side of the world
to another every year. This is 28 as migration. It
is thought 29 they follow the sun or the stars 30 no one can be sure.
21. ( ) A. find B. to find C. finding
D. found
22. ( ) A. on B. for C. of
D. in。