1. I will wait at the school gate patiently ______ you finish all math exercises our teacher assigned today.A. until B. thoughC. since D. so2. ______ it rained heavily and roads turned slippery, our whole class still went hiking as we planned weeks ago.A. Because B. AlthoughC. If D. When3. You will get a satisfying exam score ______ you keep steady daily review and constant hard work every day.A. unless B. as long asC. until D. though4. He gets up two hours early every morning ______ he can catch the earliest bus to the city training center.A. so that B. such thatC. now that D. even if5. ______ the air stays fresh and sunlight turns soft, my grandma walks slowly around the community park each morning.A. While B. WheneverC. Unless D. Before6. She missed the high-speed train to Shanghai ______ she overslept and spent time looking for her lost identity card.A. though B. becauseC. while D. so7. ______ you devote yourself fully to weak subjects, you will never see clear progress in your monthly school tests.A. If B. UnlessC. Since D. Once8. The little girl stood still and froze ______ she saw a big dog rushing toward her from the opposite street.A. as soon as B. even thoughC. as long as D. so that9. ______ all group members arrive and prepare learning materials, we can start discussing difficult grammar points now.A. While B. SinceC. Though D. Before10. This Canadian exchange student speaks Chinese ______ fluently as our teacher with twenty years of teaching experience.A. so B. suchC. as D. than11. Garden plants cannot bloom beautifully ______ they get enough warm sunlight and clean water each single day.A. if B. unlessC. once D. while12. Mom was cooking seafood dinner in the kitchen ______ Dad was reading daily newspapers quietly on the sofa after work.A. when B. whileC. since D. as13. The boy made ______ rapid English progress that all his teachers and classmates felt totally surprised at it.A. so B. suchC. very D. quite14. Take careful class notes ______ you forget these key rules during your coming monthly exam.A. in case B. so thatC. unless D. once15. ______ you finish all homework and memorize new words, you may watch a short cartoon to relax yourself.A. Until B. OnceC. Unless D. Though16. The boy felt ______ frightened after seeing a wild cat that he could not say one clear word for several minutes.A. so B. suchC. too D. quite17. Our school will hold outdoor sports meeting ______ heavy rain and strong wind come tomorrow early morning.A. if B. unlessC. because D. though18. ______ she felt tired after eight hours’ office work, she helped her kid solve difficult math problems after supper.A. Since B. BecauseC. Although D. If19. Do not open your desk window ______ cold wind blows inside and scatters all your exercise books on the floor.A. in case B. so thatC. as D. while20. ______ time passes and society develops fast, more teenagers begin to love traditional Chinese poems and culture.A. With B. AsC. While D. Since21. He failed to realize his careless mistakes ______ his head teacher talked with him face to face for over one hour.A. when B. untilC. after D. since22. The harder you practise spoken English each morning, ______ more natural your daily conversations will gradually become.A. a B. theC. so D. much23. ______ he is only sixteen years old, he gains rich experience from different kinds of volunteer activities.A. Because B. WhenC. Even though D. If24. Please stand ______ you are right now and wait for your partners who went to buy water just now.A. where B. whenC. while D. how25. You may freely choose your college major ______ it fits your personal hobbies and future career plans well.A. as long as B. unlessC. until D. though26. I walked along the busy street enjoying street views ______ I suddenly met my high school classmate from three years ago.A. while B. whenC. as D. since27. He prepared many materials and trained day and night ______ he could deliver an impressive speech on the contest stage.A. in case B. so thatC. even if D. now that28. ______ many students choose online courses at home, lots of learners love offline classes with face-to-face teachers.A. When B. WhileC. Because D. Since29. This new library is three times ______ large as the old reading room built ten years ago in our school.A. so B. asC. than D. such30. The output of this factory is twice higher ______ it was five years before under strict management.A. than B. soC. more D. most31. We have to put off the outdoor sports activity ______ the weather forecast says heavy rain will last all day long.A. until B. becauseC. though D. while32. ______ you have known all the hidden risks of this plan, you can make your own final decision without our advice.A. Now that B. Even ifC. Unless D. As soon as33. Many teenagers choose to read history books ______ they are deeply attracted by the stories of ancient heroes.A. in case B. sinceC. so that D. where34. You can always find warm kindness ______ there are ordinary people with sincere hearts and simple goodness.A. when B. whereC. though D. once35. We have kept close contact ______ we first met each other at the summer camp three years ago.A. since B. beforeC. while D. though36. You should think twice and make full preparations ______ you take part in the important national competition.A. since B. beforeC. as D. if37. Young ______ the boy is, he can deal with all kinds of sudden troubles independently in public activities.A. as B. althoughC. when D. if38. You should learn to behave ______ polite students do when you visit other people’s homes on festivals.A. where B. asC. until D. unless39. Please keep waiting ______ you see your group teacher come out from the school office building.
A. until B. before
C. since D. as
40. He kept writing diaries every single day ______ he wanted to record every warm moment in his teenage life.A. in case B. becauseC. so that D. where
答案及解析
1.答案:A until考点:时间状语从句词义辨析:until(直到);though(虽然,让步);since(自从/既然,时间/原因);so(因此,并列结果)句意逻辑:主句动作持续到从句动作发生,只有until符合“我会一直等,直到你写完作业”的逻辑。2.答案:B Although考点:让步状语从句词义辨析:because(因为,原因);although(虽然,让步转折);if(如果,条件);when(当…时,时间)句意逻辑:下雨路滑和坚持徒步存在转折让步关系,although引导让步从句。3.答案:B as long as考点:条件状语从句词义辨析:unless(除非=if not,否定条件);as long as(只要,满足条件就有结果);until(直到,时间);though(虽然,让步)句意逻辑:稳定努力是取得好成绩的充分条件,as long as引导肯定条件。4.答案:A so that考点:目的状语从句词义辨析:so that(以便+完整句子,表目的);such that(如此…以至于,后接结果);now that(既然,原因);even if(即使,让步)句意逻辑:早起的目的是赶早班车,so that专门引导表目的的从句。5.答案:B Whenever考点:时间状语从句(每当)词义辨析:while(当…时,长动作同步);whenever(每当,任何时候);unless(除非,条件);before(在…之前,时间)句意逻辑:只要空气好、阳光柔和,奶奶就散步,whenever表“每当”。6.答案:B because考点:原因状语从句词义辨析:though(虽然,让步);because(因为,直接原因);while(当/然而);so(所以,并列连词,不能引导从句)句意逻辑:睡过头、丢证件是错过高铁的直接原因,because引导原因从句。7.答案:B Unless考点:否定条件状语从句词义辨析:if(如果,肯定条件);unless=if not(如果不,否定条件);since(自从/既然);once(一旦,时间)句意逻辑:不全身心投入薄弱学科,就不会进步,unless表达“除非……否则不”。8.答案:A as soon as考点:时间状语从句(一…就)词义辨析:as soon as(一看到就);even though(即使,让步);as long as(只要,条件);so that(以便,目的)句意逻辑:女孩一看见大狗就僵住,as soon as强调两个动作瞬间衔接。9.答案:B Since考点:原因状语从句(既然)词义辨析:while(当/然而);since(既然,已知事实引出结论);though(虽然);before(在…前)句意逻辑:所有人都到齐是既定事实,用since“既然”引出可以开始讨论的结论。10.答案:C as考点:原级比较状语从句 as…as固定结构:as + 形容词/副词原级 + as 和……一样;so/such不用于原级比较;than用于比较级。句意:这位加拿大留学生中文说得和二十年教龄老师一样流利。11.答案:B unless考点:否定条件状语从句词义辨析:if(如果);unless(除非,如果不);once(一旦);while(当)句意逻辑:植物无法开花,除非有充足光照水分,等同于if they don’t get…。12.答案:B while考点:时间状语从句(两个长动作同时进行)词义辨析:when(瞬时动作/长动作);while(只能接延续性长动作);since(自从);as(随着)句意:妈妈做饭、爸爸看报,两个持续性动作同步,用while。13.答案:B such考点:结果状语从句 such…that区分:such + 形容词 + 不可数名词/复数名词 + that;so + 形容词/副词 + that;very/quite不能搭配that引导结果从句。中心词progress是不可数名词,故用such。14.答案:A in case考点:预防类目的状语从句词义辨析:in case(以防,避免某事发生);so that(为了,主动达成目标);unless(除非);once(一旦)句意:记笔记是防止之后忘记知识点,in case表“以防万一”。15.答案:B Once考点:时间状语从句(一旦)词义辨析:until(直到);once(一旦,完成前件就做后件);unless(除非);though(虽然)句意:一旦写完作业背完单词,就可以看动画,once强调条件完成。16.答案:A so考点:结果状语从句 so…that区分:so修饰形容词frightened;such修饰名词;too…to表“太…而不能”,不搭配that。17.答案:B unless考点:条件状语从句句意逻辑:明天不下大雨才举办运动会,unless = if heavy rain does not come。18.答案:C Although考点:让步状语从句词义辨析:since/because(原因);although(虽然,转折);if(如果)句意:下班很累,仍然辅导孩子,存在转折让步。19.答案:A in case考点:目的状语从句(预防)句意:不要开窗,以防冷风把书本吹乱,in case表规避不好的事。20.答案:B As考点:时间状语从句(随着)区分:with是介词,不能引导从句;as引导“随着时间推移”;while侧重同步动作;since自从。21.答案:B until考点:时间固定结构 not…until 直到……才句意:直到老师谈心,他才意识到错误,not搭配until是高考高频结构。22.答案:B the考点:比较状语从句 the+比较级,the+比较级固定句型:the + 比较级,the + 比较级越……越……,无a/so/much用法。23.答案:C Even though考点:让步状语从句词义辨析:because/when无转折;even though(尽管),年龄小却经验丰富,表让步。24.答案:A where考点:地点状语从句where引导从句表“在……的地方”;when时间、while同步、how方式,均不符合“站在原地”地点逻辑。25.答案:A as long as考点:肯定条件状语从句句意:只要符合爱好和职业规划,就可以自由选专业,as long as满足条件。26.答案:B when考点:时间固定句型 be doing…when 正在做某事,突然……while后只能延续动作;when可接瞬时相遇动作。27.答案:B so that考点:目的状语从句日夜准备材料的目的是演讲出彩,so that表主观目的。28.答案:B While考点:让步状语从句(表对比)while放句首,可表“虽然”,对比两类学生线上、线下不同选择。29.答案:B as考点:倍数比较状语从句倍数+as+原级+as固定倍数结构:数字+times + as + adj. + as,只能用as。30.答案:A than考点:倍数比较状语从句,twice higher than 高两倍。31.答案:B because考点:原因状语从句天气预报有大雨是推迟活动直接原因,because解释客观缘由。32.答案:A Now that考点:原因状语从句(既然,已知事实)now that用于大家已经知晓的情况,既然清楚风险,可自主决定。33.答案:B since考点:原因状语从句(既然/因为)since侧重内在主观原因,学生被历史故事吸引,所以读史书。34.答案:B where考点:地点状语从句where指代“存在普通人善意的地方”,表抽象地点。35.答案:A since考点:时间状语从句(自从)since后接过去时间点,主句现在完成时,自从三年夏令营就保持联系。36.答案:B before考点:时间状语从句(在……之前)赛前提前准备,动作发生在比赛之前,before符合逻辑。37.答案:A as考点:as引导倒装让步状语从句固定结构:形容词/名词/动词原形 + as + 主语 + 谓语,表“虽然……”,although不能倒装。38.答案:B as考点:方式状语从句as意为“按照……的方式”,做客要像有礼貌学生那样举止得体。39.答案 A until