高考英语状语从句专项训练(附详解)
高中英语高考复习状语从句专项练习(附参考答案)
高考英语状语从句专项练习班级考号姓名总分一、单句语法填空1._______ we don’t stop climate change, many animals and plants in the world will be gone.2. Let’s not pick these peaches until this weekend so _______ they get sweet enough to be eaten.3._______ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.4.If you don’t understand something, you may research, study, and talk to other people _______ you figure it out.5.Pahlsson screamed ________ loudly that her daughter came running from the house.6.My grandfather still plays tennis now and then, __________ he’s in his nineties.7. ___________ small, the company has about 1，000 buyers in over 30 countries.8.______some people are motivated by a need for success, others are motivated by a fear of failure.9.I am not afraid of tomorrow, _________ I have seen yesterday and I love today.10.I really enjoy listening to music _______ it helps me relax and takes my mind away from other cares of the day.11. ______ the average age of the population increases, there are more and more old people to care for.12.______ the damage is done, it will take many years for the farmland to recover.13.______ the students came from different countries, they got along quite well in the summer camp.14.There is only one more day to go ______ your favorite music group play live.15.If you miss this chance, it may be years ______ you get another one.16.It is so cold that you can’t go outside ______ fully covered in thick clothes.17.I don’t really like the author, ______ I have to admit his books are very exciting.18.The young couple, who returned my lost wallet, left _______ I could ask for their names.19.“You can’t judge a book by its cover，” ____the old saying goes.20.One can always manage to do more things，no matter ________ full one’s schedule is in life.21.I have heard lot of good things about you _____ I came back from abroad.22.It’s much easier to make friends ________ you have similar interests.23.I had hardly got to the office ________ my wife phoned me to go back home at once.24.I was about to go to the office ________ my boss phoned me.25.I was watching TV _______ my boss phoned me.26.Hot _____ the night air was, we slept deeply because we were so tired after the long journey.27.If a lot of people say a film is not good, I won’t bother to see it, or I’ll wait ________ it comes out on DVD.28.He earned so little money ________ he couldn’t support his family.二、单句改错（请将句子逻辑搞清楚，再进行改错练习）1.Video games can be a poor influence if leaving in the wrong hands.2.Whatever I have to give a speech, I get extremely nervous before I start.3.You won’t find paper c utting difficult as long you keep practicing it.4.Though not very big, but the restaurant is popular in our area.5.Although we allow tomato plants to grow in the same place year after year, but we have never had any disease or insect attack problems.6.In fact, I don’t like to go anymore, so I’m afraid I’ll lose their friendship.7.If I was only a child when I studied in that classroom, I will never forget it.8.There the air is clean or the mountains are green.9.If you notice that when someone is missing and hurt, tell your teacher immediately.10.Both Dad or I planned to do something on Mother’s Day.11.My only mistake was that I dropped some on the floor after I was packing them up.12.If we stay at home, it is comfortable but there is no need to spend money.13.No sooner had Mo Yan stepped on the stage when the audience broke intothunderous applause.14.You will never gain success if you are fully devoted to your work.15.Mike is so an honest worker that we all believe in him.16.I was about to go shopping while my mum called me.17.I was listening to music while Li Hua called me.18.You are tall but I am short.附：参考答案一、单句语法填空1.If2.that3.Unless4.until/till5.so6.though/while/although7.Though/Although/While8.While9.because/as/for10.because/as/since11.As/When12.Once/If13.Although/Though/While14.before 15.before16.unless17.but18.before19.as20.how21.since22.when/if23.when24.when25.when26.as/though27.until/till28.that二、单句改错1.leaving---left2.Whatever---Whenever3.as long/\ as4.删掉but5.删掉but6.so---but7.If---Although/While/Though8.or---and10.删掉when; and---or 10.or---and11.after---when12.but---and13.when---than14.if---unless15.so---such16.while---when17.while---when18.but---while。
高考英语状语从句知识点真题汇编附解析
高考英语状语从句知识点真题汇编附解析一、选择题1．Many countries have a Mother’s Day, ________ they don't always fall on the second Sunday in May.A．when B．though C．as D．once2．Jim put a table and chair in the spare room ________ his son could have a private place to study.A．even if B．only if C．for fear that D．in order that3．A Chinese company has created a new facial recognition system that can identify people______ they are wearing masks.A．provided that B．in case C．as though D．even if4．He differed _________ other people __________ he always looked further ahead in his work. A．from; in which B．from; in that C．with; in which D．with; in that 5．The basic model function of the hero seems to remain constant, ______ the precise qualities of hero may vary over time.A．in case B．as if C．so that D．even though 6．—Shall I ________ the raincoat?—No hurry. Leave it ________ it is. It looks like rain.A．put away; in the place B．put away; whereC．put on; where D．put on; there7．Mary rushed home______ she heard the news, only ______ that her husband was gone. A．as soon as; finding B．immediately; to findC．the moment; find D．when; found8．-I’d like to find a job in the library.-Good idea, ______ it doesn’t affect your studies.A．now that B．as soon as C．as long as D．even if9．We should protect our environment from being polluted ________ our next generation will enjoy a blue sky and live a healthy life.A．as if B．so that C．even if D．in case 10．Modern science has found that _______ one is using chopsticks, over 30 joints and over 50 muscles are used, which is a favorable stimulation to the brain.A．since B．although C．unless D．while11．The purpose of the research project has a more different meaning for them than _________. A．that for us B．it has for us C．it did for us D．it did for ours 12．Prin ce Harry and his wife, Meghan, will give up the name “royal” ____ they withdraw from official duties and embrace new lives, the couple confirmed on Friday.A．unless B．while C．as D．although13．The sales of houses in our city fell by 40 percent last month, and it will be 48 percent ______ we don’t count low-price houses provided for poor residents.A．as B．unless C．if D．before14．I'll be out for some time. ______ anything important happens, call me up immediately.A．In case B．As ifC．Even though D．Now that15．China is playing a key role in controlling the virus. However, it will take long and much effort ________ it is under control.A．until B．after C．before D．unless16．Many adults agree that teenagers shouldn't live alone they have their parents’ permis sion. A．if B．unless C．in case D．now that 17．They decide to have more workers for the project ____ it won’t be delayed.A．even if B．as if C．now that D．so that18．______the phone call, the construction site is crowded with workers full of joy and excitement.A．On receiving B．As soon as receiving C．The Moment he receivedD．Receiving19．In boxing, players should wear gloves and mouth guards ________ anything dangerous happens.A．in vain B．in a word C．in debt D．in case 20．—Why didn’t you try to finish the compo sition?— I tried to, but ________ I could, the bell ran announcing the end of the examination.A．until B．whenC．after D．before21．________ birds use their feathers for flight, some of their feathers are for other purposes. A．Once B．If C．Although D．Because22．You won’t find paper cutting difficult _____you keep practicing it.A．even if B．as long as C．as if D．ever since 23．—Have you known each other for long?—Not very long, ________ we started to work in the company.A．after B．before C．when D．since24．You’d better get it prepared ahead of time just ____ something unexpected happens.A．as if B．in case C．even though D．as long as25．_____ you feel that your friend is mean at times, cherishing your friendship is a normal part of life.A．Even though B．Now that C．As though D．In case【参考答案】***试卷处理标记，请不要删除一、选择题1．B解析：B【解析】【分析】【详解】考查连接词辨析。
高三英语状语从句练习题30题(带答案)
高三英语状语从句练习题30题(带答案)1. I was doing my homework ______ my mother came in.A.whenB.whileC.asD.since答案解析：A。
“when”既可以表示点时间，也可以表示段时间，这里表示“当……的时候”，我正在做作业的时候妈妈进来了，动作有先后；“while”通常表示一段时间，后面的动词常用进行时态；“as”强调两个动作同时进行；“since”表示“自从”，意思不符。
2. We were having a meeting ______ the fire alarm went off.A.whenB.whileC.asD.since答案解析：A。
理由同第一题，这里是表示一个动作正在进行的时候另一个动作突然发生，用“when”；“while”后面一般是持续的动作；“as”也强调同时性；“since”意思不对。
3. She was singing ______ she was walking.A.whenB.whileC.as答案解析：C。
“as”强调两个动作同时进行，她一边走路一边唱歌；“when”“while”也有同时性，但没有“as”强烈；“since”意思不符。
4. I had just fallen asleep ______ the phone rang.A.whenB.whileC.asD.since答案解析：A。
表示一个动作刚发生，另一个动作紧接着发生，用“when”；“while”后面动作一般是持续的；“as”也有同时性，但这里不太合适；“since”意思不对。
5. He was reading a book ______ I was watching TV.A.whenB.whileC.asD.since答案解析：B。
“while”表示两个动作同时进行，他在读书的时候我在看电视；“when”可以表示同时，但更强调先后；“as”也强调同时性，但不如“while”好；“since”意思不符。
高中英语状语从句练习题20题答案解析版
高中英语状语从句练习题20题答案解析版1.She was reading a book when the phone rang.A.whileB.as soon asC.afterD.before答案解析：A 选项while 也可表示“当……的时候”，但通常强调两个动作同时进行；B 选项as soon as 意为“一……就……”；C 选项after 表示“在……之后”；D 选项before 表示“在……之前”。
本题中when 表示“当……的时候”，强调“正在读书的时候电话响了”，所以答案是when。
2.We were having dinner when suddenly there was a loud noise.A.asB.whileC.sinceD.until答案解析：A 选项as 也可表示“当……的时候”，与when 用法相似；B 选项while 强调两个动作同时进行；C 选项since 表示“自从”；D 选项until 表示“直到……才”。
本题中when 强调“正在吃饭的时候突然有很大的噪音”，所以答案是when。
3.I will call you as soon as I arrive.A.whenB.whileC.afterD.before答案解析：A 选项when 表示“当……的时候”；B 选项while 强调两个动作同时进行；C 选项after 表示“在……之后”；D 选项before 表示“在……之前”。
本题中as soon as 表示“一……就……”，强调动作的迅速发生，所以答案是as soon as。
4.He had just fallen asleep when the alarm clock rang.A.whileB.asC.sinceD.until答案解析：A 选项while 强调两个动作同时进行；B 选项as 也可表示“当……的时候”；C 选项since 表示“自从”；D 选项until 表示“直到……才”。
高三英语状语从句练习题30题含答案解析
高三英语状语从句练习题30题含答案解析1. I was reading a book when suddenly the lights went out.A. whenB. whileC. asD. since答案解析：A。
“when”在这里表示“就在这时”，强调一个动作正在进行的时候另一个动作突然发生。
“while”通常强调两个动作同时进行，这里不合适。
“as”也有当……的时候的意思，但语气没有“when”强烈。
“since”表示自从，不符合语境。
2. She had just fallen asleep when the phone rang.A. whenB. whileC. asD. until答案解析：A。
“when”在此处表示一个动作刚发生另一个动作紧接着发生。
“while”一般用于两个动作同时进行。
“as”也有类似的意思，但不如“when”常用。
“until”表示直到……才，与语境不符。
3. I was taking a shower as he came in.A. asB. whenC. while答案解析：A。
“as”表示当……的时候，强调两个动作同时发生。
“when”也有当……的时候的意思，但在这里不如“as”贴切。
“while”强调两个动作同时持续进行。
“since”表示自从，不合适。
4. He was watching TV when his friend arrived.A. whenB. whileC. asD. after答案解析：A。
“when”表示一个动作正在进行时另一个动作突然发生。
“while”强调两个动作同时进行。
“as”也可表示当……的时候，但这里用“when”更自然。
“after”表示在……之后，不符合语境。
5. I had just finished my homework when my mom came back.A. whenB. whileC. asD. before答案解析：A。
高中英语2024届高考复习状语从句专项练习(附参考答案和解析)
高考英语状语从句专项练习班级考号姓名总分1.To sum up, I’ll behave toward them I would like to be treated.（语法填空）2.He was about to tell me the secret someone patted him on the shoulder. (用适当的词填空)3.English is a course for anyone in university, his or her major or previous educational qualifications are. (用适当的词填空)4. you try to do something beyond what you have already mastered, you will never grow. (用适当的词填空)5.He left early in the morning that he could avoid the traffic jam. (用适当的词填空)6.If I chose to remain silent when my parents were criticizing me, they would get angrier because I was acting I had intended to be disrespectful. (用适当的词填空)7. we go to people who are qualified to give adv ice, we can’t make sure that they will know what’s right for us. (用适当的词填空)8.You had better persevere in carrying out what you think is worthdoing you have made up your mind to pursue it. (用适当的词填空)9. cities may appear more complicated, there are also more clues to help travellers find their ways, such as numbered streets. (用适当的词填空)10. moment I closed my eyes, I fell asleep. （用适当的词填空）11.It is generally believed that it is impossible to findlife there is no water. (用适当的词填空)12.I was about to answer the phone I heard a knock on the door. (用适当的词填空)13.By starting, you get the juices flowing, allowing you to get moredone you anticipated. （用适当的词填空）14.On our way to the house, it was raining hard th at we couldn’t help wondering how long it would take to get there. （用适当的词填空）15.Now you have express your fierce determination to get it right, you should act immediately. (用适当的词填空)16. great the difficulty is, never will we abandon protecting the ocean. (用适当的词填空)17. (suppose) she doesn’t come, what shall we do? (所给词的适当形式填空)18.At first, I fell far behind, but I ran faster and it was notlong I caught up with them.(用适当的词填空)19.They promised to take action, needed, to help the poor who can’t make ends meet.(所给词的适当形式填空)20. (suppose) he’s right and I do die tomorrow?(所给词的适当形式填空)21. my siblings and I were growing up, I always sensed something was missing in my life, something fundamental to my very identity, to who I was and where I came from. (用适当的词填空)22. it is a blind person seeking guidance or an elderly person seeking support, the rail is there for walking. (用适当的词填空)23.But those numbers, impressive they seem, may be beside the point. (用适当的词填空)24.Moreover, some women have not been promoted as quickly as their male counterparts, even they are publishing at the same rate and bringing in as much research funding and equipment to their institutions as men. (用适当的词填空)25.Not everyone is happy that the handshake is making its wayback. it’s a deep-rooted way of expressing friendship and respect, some medical experts wish it were gone for good. (用适当的词填空)26.Jiangsu, located the Belt meets the Road, will contribute more to the Belt and Road construction.(用适当的词填空)27.“We listen to our elders about some stuff we have toprotect if we don’t put it out there, we lose what it gives to us —you know, we lost that power it gives us,” she said. (用适当的词填空)28.Difficult researching your family history may be, it is worthwhile pursuit if you want a better understanding of where you come from. (用适当的词填空)29.The two boys were watching TV someone knocked on the door. (用适当的词填空)30.Children he was, he looked quite calm in that difficult situation. (用适当的词填空)31. time went by, we grew wiser and wiser.32. hard you try, it is difficult to lose weight without cutting down the amount you eat.33.Persistent people begin their success others end in failure. （用适当的词填空）34.I always tell them when I’m going out clubbing.they know what I’m doing, they’re fine with it.（用适当的词填空）35. your answer is , there’s always a lot more to it than first meets the eye. (用适当的词填空)36. the average age of the population increases, there are more and more old people to care for. （用适当的词填空）37.Researchers have found, in their experiment, that a baby's cries can cause unique emotional responses in the brain, making it impossible for us to ignorethem we are parents or not. （用适当的词填空）38. (assume) that it rains tomorrow, what shall we do? (所给词的适当形式填空)39.The WTO cannot live up to its name it does not include a country that is home to one fifth of mankind. (用适当的词填空)40.No matter busy you are, he always insists on coming with you.41. she hesitated for a moment, she finally went in and asked to see a dress that was in the window.42. the sun's rays can age and harm our skin, they also give us beneficial Vitamin D.（用适当的词填空）43.If (consume) in large quantities without limit, clean drinking water will face the danger of running out. (所给词的适当形式填空）44.Child he is, (yet) he knows a lot of Chinese characters. (所给词的适当形式填空)45.Over time, the population grew, people began cutting food into small pieces so it would cook more quickly. (用适当的词填空)46. time passed, the technique became perfect. Different kinds of pottery appeared in different times and regions. (用适当的词填空)47.There’ll be more traffic jams and temperatures will continue to rise, so the problems of our environment will get even worse, we do something now. (用适当的词填空)48. Mike’s very good at math, his brother is absolutely hopeless. (用适当的词填空)49.I was about to give up the teacher’s praise gave me the courage to answer the question. (用适当的词填空)50.Scot joined the army soon after his 18th birthday his brother had. （用适当的词填空）51.If we work with a strong will, we overcome anydifficulty, great it is. （用适当的词填空）52.We decide to finish the work on time, happens. （用适当的词填空）53. he is a child, he knows a lot. （用适当的词填空）54.I’m sorry you have been waiting so long, but it will still be sometime you can get your passport. （用适当的词填空）55.As a matter of fact, all people, they are young or old, are required to be citizens of high ideals, strict discipline, good education and communist morality. (用适当的词填空)56.In the global economy, a new drug for cancer, it is discovered, will create many economic possibilities around the world. (用适当的词填空)57. you start eating in a healthier way, weight control will become much easier. (用适当的词填空)58.She put an extra blanket over the baby for fear he should catch cold. (用适当的词填空)59. (suppose) that he does not come, shall we go without him? (所给词的适当形式填空)60.No matter hard you try, it is difficult to lose weight without cutting down the amount you eat. (用适当的词填空)附：参考答案1.To sum up, I’ll behave toward them I would like to be treated.（语法填空）【答案】as【详解】考查连词。
高中英语状语从句专项讲解及练习（有答案）
高中英语状语从句专项讲解及练习（有答案）状语从句1、地点状语从句地点状语从句表示地点、方位，这类从句通常由where, wherever, anywhere, everywhere引导。
Where there is a will, there is a way.有志者，事竟成。
They will go where they are happy.他们想到他们觉得快乐的地方去。
We must camp where we can get water. 我们必须在能找到水的地方露营。
地点状语从句与定语从句的区别:在于分句在句中作什么成分。
作状语，则是状语从句；作定语修饰名词，则是定语从句。
where引导定语从句时，从句前应有一个表示地点的名词作先行词；而状语从句前则无需先行词。
如：Go back where you came from.(where引导地点状语从句）Go back to the village where you came from.(where引导定语从句，修饰village)We went home, where we had dinner. (where引导定语从句，修饰home)2、原因状语从句原因状语从句一般由because(因为)，since(既然)，now that(既然，因为)，as(由于)等连词引导。
（1）because表示直接的原因，表示原因的语气最强，常表示必然的因果关系。
回答why引起的特殊疑问句，只能用because。
Jane wore a raincoat because it was raining.因为天下雨，所以詹穿着雨衣。
He is absent today because he is ill.他今天缺课，因为他病了。
（2）since表示对方已经知晓、无须加以说明的原因或事实，语气比because稍弱。
I'll do it for you since you are busy.既然你忙，我来替你做吧。
(word完整版)高考英语状语从句40题附答案
高考英语状语从句40题附答案1.—Wha.ar.yo.goin.t.d.thi.summer?—I'm going to visit the Great Wall __________ the school term ends.A.s.tha.B.a.soo.as.C.before.D.i.orde.that2.M.Englis.i.ver.poor..can'.lear.i.wel._________.yo.hel.me.A.if.B.unless.C.while.D.when3..wa.tol._____puters.A.tha.ho..B.ho.tha..C.whe.tha..D.tha.when4.—D.yo.hav.an.problem.i.yo._______.fiv.minute.t.read?—Well.I'.thinkin.abou.th.ne.words.Ther.ar.to.many.A.giv..B.give..C.ar.give..D.wer.given5.His father has worked for 17years in this factory __________ he came here in 2000.A.since.B.for.C.whenD.ho.long6.Thi.lesso.wa.s.borin.___.som.student.bega.t.slee.i.class.A.that .B.and .C.when .D.how7.You can make progress in English __________ you try your best.A.befor.B.unless.C.whether.D.a.lon.as.8._______.h.ha.littl.knowledge.th.ol.worke.ha..lo.o.experience.A.I.B.Becaus..C.Althoug.D.when9.I will lend you my computer you promise to return it on time.A.sinc..B.whe..C.o.conditio.tha..D.i.orde.that10..tru.frien.ca.se.th.pai.i.you.eye.____.everyon.els.believe.th.smil.o.you.face.A.whil..B.becaus..C.befor..D.until11.Th.movi.i..grea.success._________.it'.no.ver.good.A.s..B.bu..C.althoug..D.and12.Jac.was’.sayin.anything,bu.th.teache.smile.a.hi.. h.ha.don.somethin.ver.clever.A.in caseB.as ifC.wileD.though13.I.th.exam.th._______.yo.are.th.______.mistake.yo.wil.make.A.careful.littl..B.mor.careful.fewes..C.mor.careful.fewe..D.mor.careful.less14.Thi.i.a.interestin.book...... I’l.bu.it... .A.ho.muc.ma.i.cos..B.howeve.i.ma.cos.C.ho.ma.i.cos....D.n.matte.ho.i.ma.cos.15.Today we will begin we stopped yesterday so that no point will be left out.A.whenB.whereC.howD.what16.—Does Ted tell you if he __________ next Sunday?—No.h.doesn't.Bu.i.h.________.I'l.giv.yo..ring.e...e..e17.Th.bu.drive.alway.say.t.u.,“Don'.ge.off_______.th.bu.stops.”A.whe...B.whil.....unti...D.i.18.Yo.spea.i..lo.voice.Danny.Pleas.spea.loudl.____..ca.hea.yo.clearly.A.thoug..B.s.tha..C.bu..D.unless19.____ you keep on trying, I really don’t mind whethe.you can come up top in your class.A.As long asB.Even thoughC.As soon asD.The moment20..Yesterda.ther.were ... .man.peopl.i.th.par.... .almos.los.m.way..I.wa.th.Ma.Da.holiday.Lot.o.peopl.wante.t.hav.fu.there.A.quite.that .B.very.tha.C.enough.that .D.so.tha.21..won'.believ.you__..hav.see.i.wit.m.ow.eyes...A.befor..B.unti..C.afte..D.when22.Some people are holding their umbrellas ____ it is raining.A. in caseB.so thatC.as thoughD.unless23.—We'l.g.fo..picni.i.i._______.thi.Sunday.— Wish you a lovely weekend.A.rai..B.rain..C.won'.rai..D.doesn'.rai.24.—You speak _____ fast _____ we can’t follow you.—I will speak slowly.A.so.that .B.such.tha.C.suc.a.tha.D.too.to25.Sh.__.hom.__.sh.wa.satisfie.__.hi.answe.yesterday...A.didn'.go.until.t....B.wasn'.g o.after.t...C.doesn'.go.before.wit..D.didn'.go.until.with26.There are always ____interesting stories in the series that ___ many people watch them.A. so.so .B.such.suc..C.such.so ..D.so.such27.we won’t change our plan, it rains.A.becaus..B.sinc..C.a.i.D.eve.i.28.Yo.shoul.finis.you.lesson.______.yo.g.ou.t.play.A.befor.B.afte.C.whe.D.while29.Projec.Hop.ha.raise.muc.mone._________.th.poo.childre.ca.g.t.school.A.because.B.s.tha..C.i.orde.to.D.though30.Teres.i._______.nervou._______.sh.can'.tal.i.fron.o.th.class.A.such.tha..B.too.t..C.so.tha..D.too,that31.These days the long TV play is popular my mother often keep watching it for twohours without a rest a day .A.such.that .B.to..t..C.ver..that .D.s..that32.Th.meetin.didn'.start__.everyon.wa.there.A.becaus..B.unti..C.wh..D.if33.Stayin.i..hote.cost.... rentin..roo.i.a.apartroo.fo..week.A.twice as more asB.as more twice asC.twice as much asD.as much twice as34.H.too.of.hi.coa.______.h.fel.hot.A.becaus.B.a.C.i.D.since35._________.afte.th.dail.har.work.M.Ya.wa.hungr.fo.books.A.Tire.a.wa.h..B.A.tire.h.wa..C.A.h.wa.tire..D.Tire.a.h.was36.Whe.yo.rea.th.book.you’.bette.mak..mar.______.yo.hav.an.questions.A.whic.B.tha.C.wher.D.though37._________ hamburgers are junk food, __________ many children like them.A.Although...B.Although.bu..C.Because...D.Because.so38.Literature must consist of words, music sonsist of sounds.A.even thoughB.so thatC.just asD.even sincet.fo.clas.yesterda.______.ther.wa.somethin.wron.wit.m.bike.A.whe.B.tha.C.unti.D.because40..Th.docto.tol.m.no.t.ea.to.much.bu..foun.i.difficult.—Th.docto.i.right.________.yo.eat._____.yo.wil.be.A.Th.less.th.healthie...B..Th.less.th.mor.healthilyC.Th.more.th.healthie..D.Th.more.th.mor.healthily1~5BBDCA 6~10ADCCA11~15CBCBB 16~20ACBAD21~25CADAD 26~30CDABC31~35DBCAD 36~40CACDA。
高考英语状语从句知识点专项训练及解析答案
7．I was so proud _______ my team won the ice hockey competition. It made me feel like I could achieve anything.
A．WhenB．AsC．SinceD．While
17．_________ my heart still beats, I will go on working for the people.
A．As soon asB．As far asC．As long asD．As much as
18．Incredible ________ it was, it was true.
A．althoughB．thoughC．even thoughD．despite
19．— Why didn’t you try to finish the composition?
— I tried to, but ________ I could, the bell ran announcing the end of the examination.
A．ifB．unless
C．in caseD．so that
23．—Have you known each other for long?
—Not very long, ________ we started to work in the company.
A．afterB．beforeC．whenD．since
14．Human beings are different from animals________they can use language as a tool to communicate.
(完整版)高考英语专题复习状语从句(附答案)
高考英语专题复习状语从句（附答案）I. 考点分析状语从句可用来表示时间、地点、原因、目的、结果、条件、方式、比较和让步等。
1．时间状语从句1) 常见关联词有when, whenever, while, as, before, after 等。
2）注意not…until… 正常结构、倒装结构、强调结构、和until置于句首的用法。
He didn’t go to sleep until he had finished his homework. （正常结构）Not until he had finished his homework did he go to sleep. （倒装结构）It was not until he had finished his homework that he went to sleep.（强调结构）Until he had finished his homework he didn’t go to sleep. （until置于句首）3）表示“一……就……”的连词：once, as soon as, hardly/scarcely…when, no sooner…than, the minute, the moment, the instant, immediately, directly, instantly4）其他表示时间的短语还有：every time, next time, the day 等。
2．地点状语从句通常由where, wherever引导如：Where there is a will, there is a way.3．原因状语从句1) 通常由because, as ,since引导, 三者区别：because 语气最强，重在交待原因，以why引导的疑问句只能because用来回答；其前可用only, just等词强调；可用在It is…that…强调句型中。
高考英语状语从句专项训练(含答案)
状语从句英语1。
(2015福建,31)______the students came from different countries,they got along quite well in the summer camp。
A。
While B.Unless C.Since D.Until2.(2015湖南，33）______the job takes a significant amount of time,most students agree that the experience is worth it.A。
If only B.After C。
Although D.In case3.（2015四川,6）There is only one more day to go______your favorite music group play live.A.sinceB.until C。
when D。
before4。
(2015陕西,20）I believe you will have a wonderful time here______you get to know everyone else.A.thoughB.as ifC.onceD.so that5.（2015江苏,26)It is so cold that you can’t go outside______fully covered in thick clothes。
A.if B。
unless C。
once D.when6。
(2015浙江，9）______a single word can change the meaning of a sentence,a single sentence can change the meaning of a paragraph。
A。
Just as B。
Even though C.Until D。
(word完整版)高中英语-状语从句练习题及答案详解
状语从句练习题1.I had been looking for the book for two days____ I found it at last.a.untilb. whenc. befored. while2.He punished his students ____ they did anything wrong.a.howeverb. wheneverc. whateverd. whichever3.Those passengers will wait here____ the bus arrives.a.untilb. becausec. thoughd. as4.Hardly had we reached home ____ it began to rain.a.beforeb. thanc. as soon asd. when5.No sooner had we arrived at the cinema___ the film began.a.thanb. beforec. whend. as soon as6.You can’t watch TV ____ you’ve finished your homework.a.sinceb. untilc. asd. after7.We had scarcely left our school____ the rain began.a.beforeb. thanc. whiled. when8.We have never seen her again_____ she went to work in another city.a.whenb. asc. sinced. while9.____ the fight stopped, travel across the country has been quite safe.a.Sinceb. Whenc. Afterd. Unless10.They were just about to leave____ the telephone rang.a.beforeb. whenc. asd. than11.. He hurried out of the room____ the meeting was over.a.the momentb. a moment agoc. after a minuted. a minute after12..---“Did you catch the first bus this morning?”---“No. It had left the stop____ I got there.”a.as soon asb. at the timec. by the timed. during the time13.I shall start the work ____ he comes. I don’t know what to do first.a.afterb. untilc. befored. unless14.The old man prefers to live____ the climate is mild.a.thatb. whichc. whatd. where15. ____ it is a holiday today, the children need not go to school.a.Asb. Whenc. Ford. As long as16. ____ we were staying in China , we saw many interesting things.a.Sinceb. Whilec. Afterd. During17. I got up early___ I might catch the first bus.a.in order thatb. in casec. for fear thatd. now that18. _____ we had been invited to the party, we wore our best clothes.a.Thoughb. Ifc. Even ifd. As19. “How soon will you be able to finish your homework?”“____”a.After two hoursb. In two hoursc. Two hours laterd. For two hours20. You may use the book as you like,___ you keep it clean.a.as soon asb. forc. as long asd. as well asB1. _____ I like the color of that hat, I don’t like its shape.a.Thatb. Whilec. So long asd. So2. If we work with a strong will, we can overcome the difficulty,____ great it is.a.whatb. howeverc. whateverd. how3. I have told the story just____ it happened.a.asb. ifc. thend. when4. We found people friendly____ we went.a.to whichb. in whichc. whereverd. to where5. The day breaks, ____ the birds are singing.a.becauseb. asc. sinced. for6. It was 12 ____ they finished the work.a.sinceb. whichc. thatd. when.7.Why do you want a new job____ you’ve got such a good one already?a.Thatb. wherec. whichd. when8---What was the party like?---Wonderful. It was years ____ I had enjoyed myself so much.a. afterb. beforec. whend. since9.I thought her nice and honest ___ I met her.a.first timeb. for the first timec. the first timed. by the first time10. After the war, a new school building was put up _____ there had once been a theatre.a.thatb. wherec. whichd. when11.John may phone tonight. I don’t want to go out___ he phones.a.as long asb. in order thatc. in cased. so that12. _____ , mother will wait for him to have dinner together.a.However late is heb. However he is latec. However is he lated. However late he is13. I think I should prefer to go on Friday,___ it’s all the same to you.a.unlessb. ifc. as soon asd. though14. ---The experiment is of particular importance.---I see. We will carry on with it _____ we can get enough money.a.untilb. unlessc. whetherd. however15. Someone called me up in the middle of the night but they hung up____ I could answer the phone.a.asb. sincec. untild. before16.---It’s a long time___ I saw you last.---Yes, and what a pity it is since it will be a long time___ we see each other again!a.before, sinceb. when, whenc. since, befored. when ,then17. He whispered to his wife___ he might wake up the sleeping baby.a.so thatb. on condition thatc. for fear thatd. so long as18. I won’t give you any help ____ you tell me the truth. It’s none of my business.a.unlessb. sincec. ifd. even if19. I was so familiar with him that I recognized his voice_____ I picked up the phone.a.immediatelyb. quicklyc. suddenlyd. hurriedly20. ---Can I join you in the game?---Sorry, not____ you have finished your homework.a.ifb. sincec. unlessd. thatC1. I thought things would get better, but_____ it is they are getting worse.a.beforeb. becausec. asd. after2. Their tent, ___ light as a feather, remained firm in the storm last night.a.as ifb. evenc. thoughd. if3. ---When did he leave the classroom?--- He left ___ you turned back to write on the blackboard.a.the minuteb. the timec. untild. before4. In France dogs can go___ their owners can because people there love pets very much.a.no matter whereb. anywherec. somewhered. nowhere5. ____ , he does get annoyed with her sometimes.a.Although much he loves herb. Much although he loves herc. As he loves her muchd. Much as he loves her.6.The gas must have been used up, ____ the fire went out of itself.a.becauseb. as c for d. since7. ---Don’t look down upon Bob. He has his own advantages.--- Oh, yes._____ others are weak , he is strong.a. Ifb. Whenc. Thoughd. Where8．. It seems only seconds____ they came back.a.whenb. afterc. befored. till9. ---Do you think we can get there on time?---Yes,___ the truck doesn’t break down.a.even ifb. unlessc. untild. so long as10．We won’t give up ___ we should fail ten times.a. even ifb. sincec. whetherd. until11. I have kept that portrait ___ I can see it every day, as it always reminds me of my university days in London.a. whichb. wherec. whetherd. when12.---Are you sure that you have met him before?---____ I am mistaken.a. Ifb. Since .c. Unlessd. More than13.I don’t think I will need any money but I will bring some___.a. at lastb. in casec. once againd. in time14.---I’d like to invite you to my new house next weekend.---Thank you, but ___ I’ll have time I am not sure at the moment.a. whenb. asc. in cased. unless15.---Have some Maotai, please.---No, thanks. It’s 3 years ___ I drank.a. beforeb. sincec. afterd. when16. John knocked at the door for nearly five minutes ___ his wife opened.a. whenb. beforec. untild. while17. We hadn’t been out for long ___ she felt sick.a. asb. whenc. whiled. after18. His success is ___ by talent as by energy.a. not so muchb. so not muchc. much not sod. so much not19.She had golden hair when she was a child, but ____ she got older and older, her hair wenta.while b when c after d. as20. We liked the oil painting better____ we looked at it.a.asb. whilec. the momentd. the more答案与解析1.答c. 这里的before 意为“过了（多久）才---”。
高中英语状语从句练习题20题带答案解析
高中英语状语从句练习题20题带答案解析1. I was reading a book when my mother came in.A. whileB. as soon asC. afterD. before答案解析：A。
“while”强调两个动作同时进行，这里“我在读书”和“妈妈进来”可以是同时发生的。
“as soon as”一……就……；“after”在……之后；“before”在……之前，都不符合语境。
2. She had just fallen asleep when the phone rang.A. asB. untilC. sinceD. when答案解析：D。
“when”在这里表示“就在这时”，符合语境。
“as”当……的时候，通常表示伴随；“until”直到……；“since”自从，引导时间状语从句通常与完成时态连用。
3. We were having dinner when it started to rain.A. asB. whileC. afterD. before答案解析：B。
“while”强调两个动作同时进行，“我们在吃晚饭”和“开始下雨”可以同时发生。
“as”当……的时候，不如“while”强调同时性强；“after”在……之后；“before”在……之前，都不符合语境。
4. I will call you as soon as I arrive.A. whenB. whileC. afterD. before答案解析：A。
“as soon as”和“when”在这里都可以表示“一……就……”，但“as soon as”更强调动作的迅速，这里“我一到达就给你打电话”，“when”也可以表达这个意思。
“while”强调同时进行；“after”在……之后；“before”在……之前，都不符合语境。
5. He had been working for two hours when he took a break.A. asB. untilC. sinceD. when答案解析：D。
高三英语状语从句练习题40题(带答案)
高三英语状语从句练习题40题(带答案)1. I will go to the park ____ the rain stops.A. as soon asB. whileC. sinceD. until答案解析：A。
as soon as表示一……就……，句意为雨一停我就去公园，符合语境。
while引导时间状语从句时，强调主句和从句的动作同时进行，这里雨停和去公园不是同时进行的动作，所以B选项错误。
since表示自从或者因为，在这里语义不通，C选项错误。
until 表示直到，代入句子语义为直到雨停我才去公园，与原句表达的意思不符，D选项错误。
2. ____ he was reading, his mother came in.A. WhenB. WhileC. AsD. Since答案解析：B。
while强调主句和从句动作同时进行，句中他读书和他妈妈进来是同时发生的动作，所以用while。
when引导时间状语从句时，从句的动作可以先于主句动作发生，也可以后于主句动作发生，这里更强调同时性，A选项不太合适。
as引导时间状语从句时，强调两个动作相继发生，这里不符合，C选项错误。
since表示自从或者因为，语义不通，D选项错误。
3. He didn't leave the lab ____ he finished the experiment.A. untilB. whileC. asD. when答案解析：A。
not...until...是固定搭配，表示直到……才……，句意为直到他完成实验才离开实验室。
while强调同时性，B选项错误。
as强调相继发生等，C选项错误。
when没有这种直到才的语义，D选项错误。
4. ____ you go, I will go with you.A. WhereverB. WheneverC. HoweverD. Whatever答案解析：A。
wherever表示无论哪里，引导地点状语从句，句意为无论你去哪里，我都会和你一起去。
高中英语状语从句练习题50题含答案解析
高中英语状语从句练习题50题含答案解析1. I was reading a book when my mother came in.A. whenB. whileC. asD. after答案解析：A。
“when”在这里表示“当……的时候”，强调动作的突然性。
“while”通常表示两个动作同时进行，不符合此语境。
“as”也可表示“当……的时候”，但用法与“when”稍有不同。
“after”表示“在……之后”，与句子意思不符。
2. She had just finished her homework when the phone rang.A. whenB. beforeC. afterD. since答案解析：A。
“when”在此处表示“就在这时”，符合句子意思。
“before”表示“在……之前”，不符合。
“after”表示“在……之后”，顺序不对。
“since”表示“自从”，用在此处不合适。
3. We were having a picnic when it suddenly started to rain.A. whenB. whileC. as答案解析：A。
“when”表示“就在这时”，强调事情的突然发生。
“while”强调两个动作同时进行。
“as”也有“当……的时候”的意思，但与“when”有区别。
“until”表示“直到……才”，不符合语境。
4. He was playing football when he hurt his leg.A. whenB. whileC. asD. before答案解析：A。
“when”在这里表示“就在这时”，符合句子意思。
“while”强调两个动作同时进行。
“as”和“when”用法类似，但此处“when”更合适。
“before”表示“在……之前”，不符合。
5. I was about to go to bed when I remembered I had left the lights on.A. whenB. whileC. asD. after答案解析：A。
高考英语状语从句专题训练(含答案)
状语从句专题训练高考真题&名校模拟：1. It has been separated from other continents for millions of years，it has manyplants and animals that cannot be found anywhere else in the world.2. I have never been to Rome that's the city I'd most like to visit.3. there was no conclusive evidence, most people thought he was guilty.4. More and more people are willing to shop online to get what they want，and I am one ofthem. I just can't help buying things I need them or not.5. As we can see, developing a good habit is so important I would like to introduceone kind of good learning habit－keep a learning diary every day.6. the wedding ceremony began, the couple nervously repeated their vows “Wepromise to love each other for better, for worse, for richer, for poorer, in sickness and in health”.7. we are satisfied with only a few rules we have memorized, we are not reallylearning the language.8. Earthquake safety is very important and there is more to it just keeping buildingsfrom falling down.9. he has decided to come to see you, when do you think he will come?10. －It's a long time I saw you last.－Yes，and what a pity！It will be a long time we see each other again.11.the damage is done, it will take many years for the farmland to recover.12.the students came from different countries, they got along quite well in thesummer camp.13. the job takes a significant amount of time, most students agree that theexperience is worth it.14. I believe you will have a wonderful time here you get to know everyone else.15. There is only one more day to go your favorite music group play live.16. Some animals carry seeds from one place to another, plants can spread to newplaces.17. I don’t really like the author,I have to admit his books are very exciting.18. You will never gain success you are fully devoted to your work.19. It was the middle of the night my father woke me up and told me to watch thefootball game.20. you start eating in a healthier way, weight control will become much easier.21. I was glad to meet Jenny again,I didn’t want to spend all day with her.22. Don’t turn off the computer before closing all programs,you could have problems.23. I have to give a speech, I get extremely nervous before I start.24. It’s much easier to make friends you have similar interests.25. He is so busy. He cannot afford enough time with his son he wants to.26. I have heard a lot of good things about you I came back from abroad.27. Everything was placed exactly he wanted it for the graduation ceremony.28. Pop music is ______ an important part of society that it has even influenced our language.29. No sooner had I got home _________ it began to rain.30. Hardly had I got home _________ it began to rain.31. ________ you are busy, I won’t trouble you.32. __________ there is water, there is life.33. We can’t learn a lesson in life _________ we experience it personally.34. Make a mark _________ you have a question.35. The more I can do for the class, the _________(happy) I’ll be.36. Strange______ it might sound, his idea was accepted by all the people at the meeting.37. If it is convenient _______ you, let’s meet at 8:30 outside the school gate.38. It is mother’s day today. _________ it is a western festival, it is popular in China now.39. Located _______ the Belt meets the Road, Jiangsu will contribute more to the Belt andRoad construction.40. Video games can be a poor influence if ________ (leave) in the wrong hands.41. If you miss this chance, it may be years _______ you get another one.42. It is so cold that you can’t go outside ________ fully covered in thick clothes.43. ---How do you understand life?---It is a constant match _________ the greatest opponent is yourself.44.China will remain a developing country, as there is still a long way to go ________ we areable to achieve modernization.45.Today, we will begin ________ we stopped yesterday so that no point will be left out.46.She had just finished her homework ________ her mother asked her to practice playingthe piano yesterday.47.Because of the financial crisis, days are gone _________ local 5-star hotels charged 6,000yuan for one night.48.As is reported, it is 110 years _________ Qinghua University was founded.49.He had no sooner finished his speech ________ the students started cheering.50.Having a good command of language of the country where you are going to study isnecessary, because language skills affect ________ you perform academically.答案1．(2017·东城期中)It has been separated from other continents for millions of years，it has many plants and animals that cannot be found anywhere else in the world.so[句意：由于与其他大陆分开了好几百万年，因此那里有许多在世界别的地方找不到的植物和动物。
高考英语状语从句专题训练(含答案)
高考英语状语从句专题训练(含答案)1.With ns of years of n from other continents。
this place boasts a unique n of plants and animals that cannot be found anywhere else in the world.2.Although I have never visited Rome。
it is the city I desire to see the most.3.Despite the lack of conclusive evidence。
XXX.4.Like many others。
I have e an avid online shopper。
often purchasing items whether I need them or not.5.XXX。
and one such XXX。
which I highly mend.6.As the wedding ceremony began。
the couple nervously recited their vows。
promising to love each other for better or worse。
for richer or poorer。
in sickness and in health.8.XXX safety is not just about preventing buildings from collapsing。
XXX.9.When do you think he will come to see you。
He has already made the XXX.10."It's been a while since I last saw you." "Yes。
it's a shame。
高中英语状语从句练习及答案详解
高中英语状语从句练习及答案详解1.I finally found the book after searching for it for two days。
when.2.XXX they did something wrong.3.Those passengers will wait here until the bus arrives.4.As soon as we reached home。
it began to rain.5.XXX.6.You can't watch TV until you've XXX.7.Scarcely had we left our school when the rain began.8.Since she went to work in another city。
we have never XXX.9.Since the fight ped。
travel across the country has been quite safe.10.As they were just about to leave。
the XXX.a。
when b。
as soon as c。
until d。
after10.The teacher asked the students to be quiet ____ they were taking the test.a。
as long as b。
as soon as c。
unless d。
even thoughAIn two hours。
the train will arrive at the n。
During this time。
you can read a book or listen to music。
However。
please keep in mind that you should not leave any trash on the train.You may use the book as long as you keep it clean。
高中英语状语从句练习题20题(带答案)
高中英语状语从句练习题20题(带答案)1. I will call you ____ I arrive in London.A. as soon asB. whileC. untilD. since答案：A。
解析：as soon as表示“一……就……”，引导时间状语从句。
句意为我一到达伦敦就给你打电话，主从句的动作有先后顺序且紧密相连。
while表示“当……时候”，强调主从句动作同时进行，在这里不符合语境。
until表示“直到……”，逻辑不符。
since表示“自从；既然”，在这里语义不通。
2. ____ he was ill, he still went to school.A. BecauseB. AlthoughC. IfD. When答案：B。
解析：although表示“虽然，尽管”，引导让步状语从句。
这里的逻辑是虽然他生病了，但仍然去上学，主从句是让步关系。
because表示“因为”，引导原因状语从句，逻辑不符。
if表示“如果”，引导条件状语从句，不符合题意。
when表示“当……时候”，引导时间状语从句，也不符合句子逻辑。
3. You can't learn a language well ____ you work hard.A. ifB. as long asC. unlessD. when答案：C。
解析：unless表示“除非，如果不”，引导条件状语从句。
句意为除非你努力学习，否则你不能学好一门语言。
if表示“如果”，与句子逻辑相反。
as long as表示“只要”，不符合句子想要表达的逻辑。
when表示“当……时候”，引导时间状语从句，不适合该句语境。
4. ____ she got home, she started to cook dinner.A. As soon asB. SinceC. WhileD. Because答案：A。
解析：as soon as引导时间状语从句，表示“一……就……”，她一到家就开始做晚饭，体现动作的先后顺序。
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高考英语状语从句专项训练1. Don’t be afraid of asking for help _______ it is needed.A. unlessB. sinceC. althoughD. when2. A good storyteller must be able to hold his listeners’ curiosity ________ he reaches the en of the story.A. whenB. unlessC. afterD. until3. _______ I know the money is safe, I shall not worry about it.A. Even thoughB. UnlessC. As long asD. while4 You will succeed in the end ____ you give up halfway.A. even ifB. as thoughC. as long asD. unless5. “Was his father very strict with him when he was at school?”“Yes. He had never prais him _______ he became one of the top students in his grade.” A. afterB. unlessC. untilD. when6. _____ I suggest, he always disagrees.A. HoweverB. WhateverC. WhicheverD. Whoever7. You should put on the notices ______ all the people may see them.A. whereB. in whichC. atD. for them8. _____ she goes, there are crowds of people waiting to see her.A. WhereverB. HoweverC. WhicheverD. Whoever9. Mary clapped her hand over her mouth _______ she realized what she had said.A. whileB. as soon asC. suddenlyD. then10. ________ her faults, she’s Arnold’s mother. Don’t be so rude to her.A. WhateverB. WhatC. WhicheverD. Whenever11. ____ you’re got a chance, you might as well make full use of it.A. Now thatB. AfterC. AlthoughD. As soon as w.w.w.k.s.5.u.c.o.m12. I thought she was the very girl that I should marry _______ I met her.A. first timeB. for the first timeC. the first timeD. by the first time13. Don’t play by the river _______ you fall in and drown!A. in caseB. so thatC. in order thatD. when14. Why do you want a new job ____ you’ve got such a good one already?A. thatB. whereC. whichD. when15. He is better than _______ I last visited him.A. whenB. thatC. howD. which16. _______ the punishment was unjust, he accepted it without complaint.A. So long asB. Even thoughC. SinceD. While17. ________ the grandparents love the children, they are strict with them.A. WhileB. AsC. SinceD. Because18. _______ I can see, there is only one possible way to keep away from the danger.A. As long asB. As far asC. Just asD. Even if19. _______ rich one may be there is always something one wants.A. WhateverB. WheneverC. HoweverD. Wherever20. John shut everybody out of the kitchen _______ he could prepare his grand surprise forthe party. w.w.w.k.s.5.u.c.o.mA. whichB. whenC. so thatD. as if21. Mr Zhang is mild in character. He never shouts ____ he is very angry.A. ifB. evenC. thoughD. even when“No more than half a22. “How l ong do you suppose it is _______ he left for Japan?” month.”A. whenB. beforeC. afterD. since23. In some countries, _______ are called “public schools” are not owned by the state.A. thatB. whichC. asD. what【答案与解析】1. 选D。
when 意为“在(当)……时候”。
其余三项填入空格处，句意不通。
2. 选D。
until 意为“直到”，句意为“一位优秀的故事讲述者必须能够让听众在故事结束前一直保持好奇心”。
3. 选C。
as long as 意为“只要”，全句意为“只要我知道这钱是安全的，我就不会担心了”。
类似地，下面一题也选as long as：ays “What are you going to do this afternoon?’“I’ll probably go for a walk later on ____ it stfine.”A. as far asB. as long asC. even ifD. as if4. 选D。
unless 意为“如果不”、“除非”，用以引导一个条件状语从句。
5. 选C。
考查not…until… 句式，其意为“直到……才……”。
6. 选B。
whatever 引导的是让步状语从句，相当于no matter what。
注意不能选A，因为suggest 是及物动词，它应带自己的宾语，而however 不能用作宾语。
7. 选A。
where 指“在……的地方”，用以引导地点状语从句。
8. 选A，wherever 意为“无论什么地方”。
高.考.资.源.网9. 选B。
根据语境可推知。
如下面一题也选as soon as：_______ he became rich he cast aside all his old friends who gave him some help.A. WhileB. As soon asC. SuddenlyD. Then10. 选A。
whatever her faults 为让步状语从句，句末省略了谓语动词are。
11. 选A。
now that 为连词，用以引导原因状语从句，其意为“既然”，与since 同义。
其中的might as well意为“不妨”。
全句意为“既然你得到一个机会，你不妨充分利用它”。
12. 选C。
the first time 在此用作连词，用以引导状语从句。
句意为“我第一次见到她就认为她很诚实”。
13. 选C。
in case 意为“以防”。
14. 选D。
when 不表示“当……的时候”，而表示“既然”，相当于since，用以引导原因状语从句。
全句意为：你既然已经有了这么好的工作，干吗还要找新的工作呢? 请再两例：既然你不想听，我就不告诉你了。
I can’t tell you when you won’t listen.Why use wood when you can use plastic? 既然能用塑料，为什么还要用木料?15. 选A。
than 后省略了he was，假若补充完整，全句即为He is better than he was whenI last visited him。
16. 选B。
比较四个选项：so long as(只要)，even though(即使)，since(自从，既然)，while(当……时候)，其中只有B的意思最合适，全句意为“即使处罚不公平，他毫无怨言地接受”。
17. 选A。
while 在此不表示“当……的时候”，而表示“尽管”。
18. 选B。
as far as 意为“尽，就，至于”，常用于as far as I know(据我所知)，as far as onecan see(在某人看来)，as far as one can(某人尽力)，as far as sth / sb is concerned(就某事/ 某人来说)等结构。
19. 选C。
however 在此引导让步状语从句，意义上相当于now matter how。
20. 选C。
so that 引导目的状语从句，其意为“为了”。
21. 选D。
根据句子语境，选 B 或 D 较适合，但even 是副词，不是连词，不能引导状语从句，故选D。
高.考.资.源.网22. 选D。
问句的基本结构是“It is +时间段+since 从句”，其原句型是I suppose it is no more than half a month since he left for Japan. 假若对此句中的no more than half a month 提问，则可得到提问句。