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01单项选择1.(2020浙江温州)6Little Mary says good night to her parents_ she goes to bed every day.Aif Buntil Cbefore Dunless2.(2020贵州铜仁)29. - Work hard,_ your dream will come true.-Well. 1 will do my best.A. So B. but C. and D. or3.(2020贵州黔东南州)24_ Jane_ her brother is going to the movies this weekend. One of them has to stay at home to look after their sick mother.ANeither; nor BEither; orCBoth; and DNot only; but also4.(2020贵州黔西南州)23. The Chinese doctors went to Italy to help the patients_they knew it was dangerous.A. becauseB. ifC. thoughD. as soon as5.(2020贵州黔西南州)32.Mary doesnt like fishchickenBen doesnt like fish,he likes chicken very much.A. and; but B.or; butC.or, and D.and;or6.(2020山东滨州)8I think I am the shyest in my class. What should I do?Be more active in class, _ you can improve your ability to express yourself.Aso that Bunless Cor Dalthough7.(2020重庆A)29. Nobody can hear you _you speak in a louder voice.A. unless. IfC. whenD. after8.(2020四川甘孜州)5Get up early, _ you will miss your train.Aor Band Cbut9.(2020四川甘孜州)10I waited _ they finished talking.Auntil Bif Cbecause10.(2020四川自贡)8Do you know the traffic rules?Sure, one of them is that we cant go across the street _ the light is green.Awhen Buntil Cafter11.(2020四川广元)10_ you keep moving, youll never reach the top of the mountain.AIf BAlthough CUnless12.(2020黑龙江哈尔滨)15Tim, our foreign teacher Ms. Green will go back to England next week.Really? Lets have a party to say goodbye to her _ she is free this weekend.Aunless Bif Cthough13.(2020黑龙江牡丹江)10Restaurants must stop offering free plastic bags in Beijing _ customers ask for them.Asince Bunless Cbecause14.(2020黑龙江牡丹江)14Who went to the graduation party last night, Mary?Almost everyone did. _ lots of students _ Ms. Wang appeared at the party.ANot only; but also BNeither; nor CEither; or15.(2020北京)3Wash your hands before meals, _ you may get ill.Aand Bbut Cor Dso16.(2020贵州安顺)5Even if we learn something well, we will forget it _ we use it.Awhile Buntil Cunless17.(2020安徽)8Our English teacher is nice and patientshe is very strict with us.Aif Bas Cunless Dthough18.(2020黑龙江绥化市)3Mike and Jims room is tidy, _ their sisters not.Abut Band Cor19.(2020湖南湘西)4How time flies! The middle school life is coming to an end.Yes. We have to say goodbye, _ our friendship will last forever.Aand Bbut Cor20.(2020湖南益阳)6You can surf the Internet _ you want to know more about the 2020 World Middle School Games.Aif Balthough Cuntil21.(2020湖南岳阳)4The movie Nezha is_ educational _ I want to see it again.Aso; that Bsuch; that Ctoo; to22.(2020江苏南京)1We still know little about the Moon _ men have landed on it.Aif Bsince Calthough DBecause23.(2020江苏苏州)8Check what you have written _ you hand in your application form.Asince Bbefore Cafter Dwhile24.(2020辽宁丹东)9I dont like Sun Cinema _ it has bad service.Abecause Balthough Cunless Duntil25.(2020辽宁丹东)15Im afraid we cant work out the math problem_the teacher helps us.Thats true. Its too difficult.Aif Bunless Cbecause Das soon as26.(2020辽宁营口)15The clever boy called 120 _ his mother fell down in the kitchen.Aalthough Bas soon as Cas long as Duntil27.(2020山西)4Swimming is, of course, interesting. But _ we plan to go swimming, being safe must come first.Athough Bwhen Cunless28.(2020山东青岛)7In Chinese families, people wont start dinner _ the elders take their seats.Aafter Bwhen Cbecause Duntil29.(2020四川乐山)6Peter, would you like to go shopping with me?Id love to, _ I have to finish my homework first.Aso Band Cbut30.(2020江西)3It was great in the end _ we had a terrible time at the beginning.Aif Bunless Cwhen Dalthough31.(2020海南)17President Xi encourages all Chinese people to plant trees_ our country can be greener and more beautiful.Aso that Bas long as Ceven though32.(2020云南)13Excuse me. Where is the nearest hotel?Just go down this road _ you see a library. Its across from it.Auntil Bbecause Chowever Dthough33.(2020吉林)7Work hard, _ you will get good grades.Aor Bbut Cand34.(2020湖北黄冈)7 Which do you prefer, tea or coffee? Either. _ tea _ coffee are my favorite.ANot only；but also BBoth；and CNeither；nor DEither；or 35.(2020湖北孝感)8We will make fewer mistakes _ we are careful enough.Aas long as Bso that Cas far as Deven if36.(2020湖北宜昌)2What do you feel _ you are looking through the old pictures?How time flies!Abecause Bthough Cwhile Dunless37.(2020甘肃天水)32They didnt go home _ they finished their work.Abecause Bwhere Cuntil Dwhile38.(2020江苏镇江)3My parents gave red packets to my cousin every Spring Festival_ she got a job, because she said she was able to make money.Aafter Bwhen Cuntil Dsince39.(2020江苏盐城)5Love from parents is like the wind-you cant see ityou can feel it.Aand Bor Cbut Dso40.(2020上海)42Which club do you prefer to join，the chess club_the dancing club？Aso Bbut Cor Dfor41.(2020上海)43Vivian will take her daughter to the amusement park_she gets the ticketsAif Buntil Calthough Dunless42.(2020福建)11In some cities of China, youll get fined _ you dont walk along the crosswalk while crossing the road.Aif Bthough Cuntil43.(2020甘肃武威)8You will feel cold _ you dont wear a coat.Aso Bthough Cif Dunless44.(2020广西北部湾)3The boy is not very tall, _ he runs very fast.Aand Bso Cbut Dor45.(2020内蒙古包头)9She says that shell have to close the restaurant _ business improves.Aif Bafter Cunless Dwhen46.(2020内蒙古包头)14Its not easy to change habits, _ with strong will and self-control, it is possible.Afor Bor Cbut Dso47.(2020云南昆明)8We will never see Kobe play another basketball game, _we will always remember him.Abecause Bunless Cbut Dif48.(2020湖北襄阳)1 Its said that Zhou Jielun will hold a concert next month in Xiangyang. Im sure the fans will be happy _ its true.Auntil Balthough Cbefore Dif49.(2020湖北恩施)8We were not good friends _we saw each other, but gradually, we got along better and better.Auntil Bwhen Cif50.(2020湖北黄石)14I heard a young fireman lost his life in the big fire.What a pity! _I dont know who he is, I know who he is for. He is our hero forever.ABut BSo CAlthough DBecause51.(2020江苏泰州)10I will volunteer for a two-day home stay for an exchange student from the UK. I consider it a good chance to show Chinese food_our kindness.Aas well as Bso well as Cas good as Dso good as52.(2020江苏泰州)11Father is too tired today. Dont call him _ it is necessary.Aif Bunless Cwhen Dwhether53.(2020江苏扬州)7Lucy held her head up like a queen_ Bill was telling his tale.Aafter Bbefore Cwhile Duntil54.(2020江苏徐州)3Give me a chance, _I will give you a wonderful surprise.Aor Band Cbut Dso55.(2020江苏徐州)8Were not very close friends_ weve known each other for a long time.Auntil Balthough Cas Dif56.(2020江苏淮安)12Our school basketball team will win the next match _ they practise more.Aif Bbefore Cthough Dwhile57.(2020江苏南通)5Max got lost and was trapped in the forest for 10 hours _ a farmer nearby found him.Aif Bsince Cuntil Dafter58.(2020江苏无锡)9I think the coffee beans are from Brazil, _ Im not completely sure.Abecause Bsince Cthough Dwhether59.(2020四川成都)6Labor(劳动)education is important for students development.Yes. _schools put it into practice, students will be more independent and helpful.AWhile BUnless CIf60.(2020四川成都)8Life is like a horse, and _ you ride it _it rides you.Aeither; or Bneither; nor Cboth; and61.(2020四川泸州)9Did you catch the first bus to school this morning?No I didnt. It had started moving _I could get on it.Aafter Bsince Cbefore Das soon as62.(2020四川攀枝花)8My parents are crazy about Running Man. How about your parents?_my dad_ my mom likes it. They are interested in The Voice of China.ANot only; but also BBoth; and CEither; or DNeither; nor63.(2020黑龙江龙东地区)6Ive tasted lots of delicious food, _ what I like best is the dishes _ by Mum.Aand；cooking Bbut；cooked Cor；to cook 64.(2020山东日照)6_ the traffic was heavy, we still got to the railway station on time.AAs BUnless CWhen DAlthough65.(2020山东东营)11_ he is dead, Kobe Bryants spirit will continue to influence us.AIf BUntil CBecause DAlthough66.(2020山东东营)16Many students hated to have classes on DingTalk, _ they gave it one-star reviews（评价）.Aso Bor Cbut Dwhile67.(2020山东临沂)22. We will cause less pollution _we can find ways to reuse or recycle more rubbish.A. unlessB. ifC. though68.(2020辽宁沈阳)8_ Simon has done well in his studies, he still works really hard.ASince BIf CAlthough DUnless69.(2020辽宁铁岭葫芦岛)6_ she is very young, she can take good care of herself.AIf BUnless CSince DAlthough70.(2020湖南郴州)3We should protect the environment _ we can make a better world to live in.Aso that Beven though Cas soon as71.(2020湖南长沙)6_ you have problems, just let me know. Ill always be there for you.AHowever BWhatever CWhenever72.(2020湖南长沙)8_ the outbreak of COVID-19 is a terrible blow to the country, the government is trying hard to bring the situation under control.AAlthough BIf CUnless73.(2020湖南邵阳)6Dont forget to protect your eyes well_ you take online classes.OK. Thank you, Sir.Aif Bthough Cas if74.(2020江苏常州)2Millies research paper isnt up to standard_ she has worked at it for two weeks.Asince Bunless Cif Dalthough75.(2020广西梧州)11Which book do you prefer, Harry Potter or Treasure Island?Harry Potter, of course, _I _ my sister likes it.ABoth; and BNeither; norCNot; but DNot only; but also76.(2020辽宁大连)11 He was so tired that he fell asleep _he went to bed.Aas if Beven though Cever since Das soon as77.(2020辽宁大连)16Miss Zhao is very helpful. She often helps us _we are in trouble.Awhether Balthough Cwhenever Dhowever78.(2020广西柳州)5Susan _Tina are good friends.Aor Band Cbut79.(2020贵州毕节)5Would you like to play table tennis with me this afternoon?Id like to. _ Im afraid I have no time.ASo BOr CBut DAnd80.(2020辽宁阜新)11Cooking is an interesting lesson and we can make different dishes _ we like.Aif Bafter Cthough Dso81.(2020山东莱芜)6Youd better make a good planyou take a holiday.Abefore Bduring Cuntil Dafter82.(2020内蒙古呼和浩特)7A break between classes is very important for students because it _helps with students health by doing sports _improves their social skills by communicating with their classmates.Atoo; to Beither; or Cneither; nor Dnot only; but also83.(2020天津)10Youd better tidy up your room _ your father comes back.Aso Bor Cbefore Dbut84.(2020广西桂林)10The young men all shouted “Happy New Year” _it was twelve oclock.Aafter Bas soon as Cif85.(2020广西玉林)9Michael, shall we go hiking in the mountains next Sunday?OK, _it rains heavily.Awhen Buntil Cunless Dif86.(2020广西百色)7_you smile at others, they will smile back.AIf BSo COr DThough87.(2020湖南株洲)8_he was poor himself, he tried his best to help the people in need.ABecause BThough CAfter88.(2020西藏)29You must make sure your mask (口罩) is clean _ you put it on.Abefore Bafter Csince Dwhere89.(2020四川巴中)2Alice can sing some English songs, _ she cant play the guitar.Aand Bbut Cor Dfor90.(2020山东济南)12Whats the key to success, Dad?More time and hard work, _ youll make it one day.Aand Balthough Cbut Dor02填空1.(2020浙江杭州)48Theyve been good friends s_ they were little kids.2.(2020浙江杭州)51A _ the traffic was heavy, we got to the railway station on time.3.(2020浙江宁波)48_ (无论什么) difficulties you meet, never give up easily.4.(2020四川南充)60. We should neither feed the animalsntouch them in the zoo.5.(2020湖南常德)14（1分）I like dogstheyre friendly and smart6.(2020湖南常德)18（1分）you go to the party， youll have a good time7.(2020湖南永州)41The Yangtze is the longest river in China, _ the Amazon is longer than it.8.(2020黑龙江牡丹江)75_ (不管) its summer or winter, Mudanjiang is a good place to take a holiday.9.(2020四川眉山)43Its dinner time. Im wondering w_ to have Chinese food or Western food.10.(2020湖北荆门)51W_ you like India food, Western food or Japanese food, youll find it all in Singapore!11.(2020江苏镇江)44Every Monday, we watch the raising of the national flag in the playground_(除非) it rains.12.(2020广东广州)54U_you work hard, you will not succeed.13.(2020广西贵港)45I think she is e_ a Canadian or a German，but I am not sure.14.(2020江苏扬州)53_ I get in trouble, I ask Grandma to come over for dinner. （无论何时）15.(2020江苏无锡)39I wont let you in _(除非) you can provide a proper ID单项选择：1.【答案】C【解析】句意：小玛丽每天睡觉前都会跟父母说晚安。考查连词辨析。if如果；until直到；before在之前；unless除非。根据句中“says good night to her parents”和“she goes to bed”可知，此处是“睡觉之前向父母说晚安”。故选C。2.【答案】C【解析】句意：努力奋斗，然后你的梦想就会实现。好的，我会尽力的。努力的结果是梦想实现，祈使句+and + 陈述句；固定句型，表示如果做到了祈使句表示的事情，就会有后面句子表示的结果；so，因此，表因果，but，但是，表转折，or，或者，表选择，与题目不符，不选，故答案选C。3.【答案】B【解析】句意：简或者她哥哥这周末要去看电影，他们中的一个不得不待在家照顾他们生病的母亲。考查连词辨析。Neithernor（两者中）既不也不；Eitheror表示两者之一，或者或者，要么要么；Bothand两者都；Not onlybut also不仅而且。根据句中“One of them has to stay at home to look after their sick mother.”可知，他们中只能有一个人去看电影，所以此处使用eitheror。故选B。4.【答案】C【解析】句意：尽管中国医生知道这样做很危险，他们还是去了意大利帮助病人。考查从属连词辨析。because因为，引导原因状语从句；if如果，引导条件状语从句；though虽然、尽管、即使，引导让步状语从句；as soon as一就，引导时间状语从句。根据语境“中国医生去意大利帮助病人，_他们知道这很危险”可知，前后句之间存在一种相反的让步关系，所以though符合句意，故答案选C。5.【答案】B【解析】句意：Mary不喜欢鱼肉和鸡肉。Ben不喜欢鱼肉，但他非常喜欢鸡肉。考查连词辨析。and和，表示并列关系时，用于肯定句中；but但是，表示转折关系；or在并列结构中，通常用于否定句，表示“和”。第一个空，fish和chicken为并列关系，本句为否定句，用or连接；第二个空，前后句之间表示的是转折关系，所以用but连接；故答案选B。6.【答案】A【解析】句意：我觉得我是班上最害羞的。我该怎么办？在课堂上更加活跃，以便你就可以提高你表达自己的能力。考查so that引导的目的状语从句。so that以便，引导目的状语从句；unless除非，引导条件状语从句；or或者，表并列；although尽管，引导让步状语从句。分析句子可知，此处表示“在课堂上更加活跃，以便你就可以提高你表达自己的能力”，强调目的，故选A。7.【答案】A【解析】句意：除非你说话声音大一点，否则没人能听见。考查连词辨析。unless除非；if如果，是否；when当时候；after在之后。根据句意可知如果不大声些说话，则没人能够听到，所以这里用连词“除非”unless引导条件状语从句，故选A。8.【答案】A【解析】句意：早点起床，否则你会错过火车。考查并列连词。or否则，and并且，but但是。根据前文是祈使句，可知构成固定句式“祈使句+or+陈述句”，or后接不好的结果，故选A。9.【答案】A【解析】句意：我一直等到他们谈完了。考查连词辨析。until直到为止；if如果；because因为。根据题意“我等待着_他们谈完了”，结合选项可知此处是说一直等到他们谈完，用until符合题意。故选A。10.【答案】B【解析】句意：你知道交通规则吗？当然，其中之一就是直到绿灯亮了我们才能过马路。考查连词辨析。when当时候；until直到；after在之后。根据句中cant可知，此处使用until，not until直到才，此处表示“直到绿灯亮了我们才能过马路”。故选B。11.【答案】C【解析】句意：除非你一直保持前行，否则你决不会到达山的顶端。考查连词。if如果；although尽管；unless除非。“you keep moving”表达的是条件，此处用unless引导条件状语从句，表示“除非,如果不”，相当于If you dont keep moving。故选C。12.【答案】B【解析】句意：蒂姆，我们的外教老师格林小姐下周要回英国了。真的吗? 如果她这个周末有空的话，让我们举行一个聚会来向她告别吧。考查从属连词的辨析。unless除非；if如果；though虽然。根据句意可知，“she is free this weekend”是“have a party to say goodbye to her”的假设条件，这里是if引导的条件状语从句，故选B。13.【答案】B【解析】句意：北京的餐厅必须停止提供免费塑料袋，除非顾客要求。考查连词辨析。since自从；unless除非；because因为。根据Restaurants must stop offering free plastic bags in Beijing及customers ask for them，可知，除非顾客主动要，否则北京的餐厅不可以提供免费塑料袋，后文表条件，所以空格处填引导条件状语从句的连词unless。故选B。14.【答案】A【解析】句意：玛丽，昨晚的毕业聚会谁去了？几乎每个人都去了。不但有很多学生而且王女士也出现在聚会上。考查连词。not onlybut also不但而且;neithernor既不也不；eitheror要么要么。根据“Almost everyone did”可知此处“lots of students”和“Ms. Wang”二者都包括，用not onlybut also来连接。故选A。15.【答案】C【解析】句意：饭前洗手，否则你可能会生病的。本题考查连词。and而且，but但是，or否则，so所以。结合句意，“饭前不洗手”是“你可能会生病”的条件，故选C。16.【答案】C【解析】句意：即使我们学得很好，除非我们使用它，否则我们也会忘记。考查unless引导的条件状语从句。while当时；until直到；unless除非。分析句子可知，此处表示“即使我们学得很好，除非我们使用它，否则我们也会忘记”的含义，是unless引导的条件状语从句，强调“除非”，其他两项语意不通。故选C。17.【答案】D【解析】句意：尽管我们的英语老师对我们很严格，但是她很好也很有耐心。考查连词辨析。if如果；as由于；unless除非；though尽管。根据句意，前文Our English teacher is nice and patient“我们的英语老师很好也很有耐心”，后文she is very strict with us“她对我们很严格”，可知，后文表让步关系，尽管她很严格，但是她很好也很有耐心，所以空格处填though。故选D。18.【答案】A【解析】句意：迈克和吉姆的房间很整洁，但是他们妹妹的房间不整洁。考查连词辨析。but但是；and和；or或者。根据Mike and Jims room is tidy“迈克和吉姆的房间很整洁”及their sisters not“他们妹妹的房间不整洁”，可知，两句之间是转折关系，所以空格处填but。故选A。19.【答案】B【解析】句意：时间过得真快啊！中学生活即将结束。是的。我们不得不说再见，但我们的友谊会天长地久。考查连词辨析。and和；but但是；or否则。空前句意“我们不得不说再见”，空后句意“我的的友谊会天长地久”，句意出现转折，用but表转折。故选B。20.【答案】A【解析】句意：如果你想知道更多关于2020年世界中学运动会的信息，你可以上网。考查连词辨析。if如果，引导条件状语从句；although尽管，引导让步状语从句；until直到为止，引导时间状语从句。空前讲“你可以上网”，空后讲“你想知道更多关于2020年世界中学运动会的信息”，空后是空前动作进行的条件，用if引导条件状语从句。故选A。21.【答案】A【解析】句意：哪吒这部电影是如此的有教育意义以至于我想再看一遍。考查连词辨析。sothat和suchthat都是“如此以至于”的意思，so后修饰形容词或副词，句型是so+形容词或副词+that从句；such后修饰名词，句型是：such a/an+形容词+可数名词单数+that从句或such+形容词+可数名词复数或不可数名词+that从句；tooto这一结构意为“太以至于不能”，后面跟动词原形，题目中第二个空后是句子，因此C不对；第一个空后educational是形容词，应用sothat结构，故选A。22.【答案】C【解析】句意：虽然人类已经登上月球，但我们对月球仍然知之甚少。考查连词。if如果；since自以来；although虽然；because因为；根据句意理解及句中的still可知，这里表达的是“虽然”，故选C。23.【答案】B【解析】句意：在递交申请表之前，先检查你所写的。考查从属连词辨析。since自从；before在之前；after在之后；while当时候，根据句意，可知应在递交申请表之前，先检查下你所填写的，所以用before，故选B。24.【答案】A【解析】句意：我不喜欢太阳电影院，因为它的服务不好。考查连词。because因为；although尽管；unless除非；until直到才。根据句意及句子结构，空格后的句子是前面句子的原因，故空格处应填入表原因的连词because，引导原因状语从句，故选A。25.【答案】B【解析】句意：如果老师不帮助我们，恐怕我们解不出这道数学题。那是真的。它太难了。考查连词辨析。if如果；是否；unless除非，如果不；because因为；as soon as一就。根据句意“Its too difficult”可知，这个数学题很难，因此这里表示“如果没有老师帮助，就不会”，应用unless引导条件状语从句。故选B。26.【答案】B【解析】句意：妈妈一摔倒在厨房里，这个聪明的男孩就叫了120。考查连词辨析。although尽管；as soon as一就；as long as只要；until直到。根据The clever boy called 120及his mother fell down in the kitchen，可知，男孩的妈妈一摔倒，他就叫了120，强调两个动作几乎同时发生，所以空格处填as soon as。故选B。27.【答案】B【解析】句意：游泳当然很有趣。但是当我们计划去游泳时，安全必须放在第一位。考查连词辨析。though尽管；when当时；unless除非。根据题意“_我们计划去游泳，安全必须放在第一位”，结合选项可知此处用when符合题意，在句中引导时间状语从句。故选B。28.【答案】D【解析】句意：在中国家庭里，人们直到老人们坐下才开始吃饭。考查连词。after在之后；when在时候；because因为；until直到。根据“wont start dinner”可知句子使用“notuntil”的结构，此处表示“直到老人们坐下才开始吃饭”，用until。故选D。29.【答案】C【解析】句意：皮特，你想要和我一起去购物么？我想要去，但是我不得不首先完成我的家庭作业。考查连词。so因此；and和；but但是。根据“I have to finish my homework first”可知后面句子表示转折，用连词but表示“但是”。故选C。30.【答案】D【解析】句意：虽然一开始我们很糟糕，但最后还是很棒的。考查连词辨析。if如果；unless除非，如果不；when当时候；although虽然，尽管。根据句意可知，空前“It was great”与空后“we had a terrible time”是转折关系，这里应用although引导让步状语从句。故选D。31.【答案】A【解析】句意：习主席鼓励所有中国人植树造林，以使我们的国家更绿、更美丽。考查连词辨析。so that以便，为了，引导目的状语从句；as long as只要，引导条件状语从句；even though即使，引导让步状语从句。根据语境可知，习主席鼓励我们植树造林的目的是为了让我们的国家更加绿色、更加美丽，故空格后半句表目的，应用so that引导目的状语从句。故选A。32.【答案】A【解析】句意：很抱歉打扰，最近的酒店在哪？只需要从这条路往下走直到你看到一个图书馆。酒店在它对面。考查连词。until直到；because因为；however然而；though尽管。此处是时间状语，表示“直到”用连词until引导时间状语从句。故选A。33.【答案】C【解析】句意：工作努力，这样你就会得到好的成绩。考查连词。or否则；but但是；and和。逗号前后的句子是顺承关系，用连词and。故选C。34.【答案】B【解析】句意：茶和咖啡，你更喜欢哪一个？ 两者任意一个都可以。茶和咖啡都是我的最爱。考查连词。A. Not only；but also不仅而且；B. Both；and两者都；C. Neither；nor两者都不；D. Either；or或者或者。根据上文Either和本句中谓语are提示，空格处应填入意为“两者都”的连词。故选B。35.【答案】A【解析】句意：只要我们足够细心，我们就会少犯错误。考查连词辨析。as long as只要；so that以便；as far as直到；even if尽管。空前讲“我们将会犯更少错误”，空后讲“我们足够细心”，细心是少犯错误的条件，结合选项可知要用as long as引导条件状语从句。故选A。36.【答案】C【解析】句意：你翻看这些旧照片时有什么感觉？时间过得真快啊！考查连词辨析。because因为；though尽管；while当时候；unless除非。根据答句“How time flies!”感慨时间过得快，可推出是问看旧照片时的感觉，用while引导时间状语从句。故选C。37.【答案】C【解析】句意：他们直到完成工作才回家。考查从属连词辨析。because因为；where在的地方；until直到；while当时候，由否定形式“didnt”和句意，可知本句用句型notuntil，这种否定形式表达的意思是“直
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