| 1. 难度：中等 | |
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—My son is addicted to computer games. He is hopeless, isn't he? —Yes, ________ he is determined to give up and start all over. A．if B．when C．even if D．unless
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| 2. 难度：中等 | |
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Crossing roads without taking traffic lights into consideration, ________ they are part of a crowd, has been labeled as the “Chinese style of crossing roads.” A．since B．as if C．though D．so long as
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| 3. 难度：中等 | |
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Provide your doctor with a detailed medical history ________ he can give you accurate treatment. A．even if B．in case C．so that D．as though
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| 4. 难度：中等 | |
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He always keeps silent when others are talking excitedly, ________ inwardly he is a man full of passion. A．and B．for C．so D．yet
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| 5. 难度：中等 | |
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Kids don't learn their native language consciously, ________ they become fluent in it very fast. A．but B．and C．for D．so
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| 6. 难度：中等 | |
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________ the parking regulations have become stricter, more people will use public transport and leave their cars at home. A．Now that B．Even though C．In case D．In order that
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| 7. 难度：中等 | |
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________ Sandy's damage is unlikely to last long, it would apparently hurt the total economic output of the fourth quarter. A．Since B．Before C．Unless D．Although
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| 8. 难度：中等 | |
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________ you read English easily, you'll find it is another cup of tea to make conversation in English. A．So long as B．As soon as C．Even if D．Only if
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| 9. 难度：中等 | |
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It was a small room, ________ it afforded a fine view of the old city. A．so B．for C．or D．but
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| 10. 难度：中等 | |
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________ I saw the beautifuldecorated house, I really wondered how she could manage that all by herself. A．While B．When C．As long as D．Now that
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| 11. 难度：中等 | |
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________ he could call the police, the thieves had run away with the suitcase, leaving him shocked and helpless. A．Before B．Until C．Because D．Unless
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| 12. 难度：中等 | |
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—Well, Jane has many advantages, too. —Oh, yes. ________ others are weak, she is strong. A．IfB．Where C．ThoughD．When
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| 13. 难度：困难 | |
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________ the news, so far, has been good, there may be days ahead when it is bad. A．While B．When C．Because D．If
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| 14. 难度：中等 | |
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The old lady could give the child sympathy, ________ any practical help would be beyond her. A．or B．so C．and D．but
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| 15. 难度：中等 | |
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The woman rushed out ________ she felt the house shaking. A．until B．immediately C．unless D．before
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| 16. 难度：中等 | |
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The elderly people still prefer to live in the countryside, ________ city life is considered as convenient and fast. A．while B．unless C．though D．as
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| 17. 难度：中等 | |
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As a college freshman, he wanted to be an interpreter, ________ he joined a translation club. A.for B．but C．so D．as
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| 18. 难度：中等 | |
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I thought I would be punished for the broken glasses ________ I ended up being praised for my honesty. A．andB．or C．butD．so
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| 19. 难度：困难 | |
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After the war, a new school building was put up ________ there had once been a theatre. A.that B．where C．which D．when
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| 20. 难度：中等 | |
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—I think George doesn't really care for TV plays. —Right, ________he still watches the program. A.and B．but C．or D．so
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| 21. 难度：中等 | |
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—I wonder how much you charge for your services. —The first two are free ________ the third costs $30. A．while B．until C．when D．before
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| 22. 难度：中等 | |
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How can they expect to learn anything ________ they never listen? A.whetherB．when C．butD．unless
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| 23. 难度：中等 | |
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She usually keeps her valuables, such as jewels and money, ________ she believes secure. A．even ifB．in case C．whereD．that
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| 24. 难度：中等 | |
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Please call my secretary to arrange a meeting this afternoon, or ________ it is convenient to you. A．whenever B．however C．whichever D．wherever
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| 25. 难度：中等 | |
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——Did you inform Helen of the plan put forward at the meeting? —Of course. ________ I saw her. A．So long as B．If only C．The moment D．Any time
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| 26. 难度：中等 | |
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Scientists are warning that ________ emissions of carbon (碳排放) are cut, we could be heading for an environmental disaster. A．before B．as C． unless D．in case
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| 27. 难度：中等 | |
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I will accept Guy coming with us, ________ he pays for his own meals. A．only if B．so that C．ever since D．even though
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| 28. 难度：中等 | |
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________ H7N9 is a deadly virus, it is still safe to eat thoroughlycooked chicken. A．Until B．While C．If D．Since
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| 29. 难度：中等 | |
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The movie Life of Pi is so attractive that it holds the audience's curiosity ________ the story reaches the end. A．until B．before C．after D．when
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| 30. 难度：中等 | |
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Jerry has promised to keep the secret, so he won't tell anyone ________ asked to. A．until B．now that C．unless D．even though
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| 31. 难度：中等 | |
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It will be another 50 years ______ our country is expected to reach the level of a medium developed country. A．since B．before C．that D．when
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| 32. 难度：中等 | |
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House prices vary from place to place and are usually high ________ there are famous schools. A．when B．since C．where D．whether
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| 33. 难度：中等 | |
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We can't wait any longer ________ we'll miss the plane. A．or B．but C．so D．yet
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| 34. 难度：中等 | |
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The new system needs to be in operation for five months ________ it can be updated. A．as B．while C．before D．once
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| 35. 难度：中等 | |
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________ it is, the boy never seems to be able to finish it off. A．However interesting a book B．Whatever interesting a book C．How interesting a book D．What an interesting book
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| 36. 难度：中等 | |
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Steve was busy clearing the cups and dishes from the table ________ others were playing. A．until B．if C．since D．while
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| 37. 难度：中等 | |
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You seem to have a readymade answer ________ I ask you a question. A．whenever B．whatever C．whichever D．whoever
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| 38. 难度：中等 | |
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—I don't mind how you do it ______ you finish the painting on time. —OK, I see. A．as well as B．as far as C．as long as D．as fast as
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| 39. 难度：中等 | |
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—Was it 11 o'clock ________ your father came back last night? —Yes, he is always coming back so late. A．that B．while C．when D．until
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| 40. 难度：中等 | |
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________ you need something, please don't hesitate to let me know. A．Even though B．In case C．As though D．Even if
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| 41. 难度：中等 | |
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Mr. Smith doesn't go to his usual club, ________ it is being decorated these days. A．for B．yet C．so D．or
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| 42. 难度：中等 | |
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One split second later your life or someone else's life could be gone ________ you are just glancing at your phone to check a text message. A．even though B．in that C．only if D．as if
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| 43. 难度：中等 | |
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You know it's love when all you want is that person to be happy, ________ you're not part of their happiness. A．even if B．as if C．if only D．if ever
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| 44. 难度：中等 | |
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There is no point advocating banning smoking in public ________ the law is introduced. A．when B．unless C．since D．because
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| 45. 难度：中等 | |
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It is comforting to see that ________， we are doing our part for the environment. A．as small may be we B．as we may be small C．small as may be we D．small as we may be
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| 46. 难度：中等 | |
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________ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately. A．Even if B．As far as C．If only D．So long as
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| 47. 难度：中等 | |
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Our society insists on regular habits, timekeeping and punctuality, and whether we like it or not, ________ we mean to make our way in society, we have to comply (to act in accordance with a demand, rule, etc.) its demands. A．whether B．after C．if D．until
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| 48. 难度：中等 | |
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Some experts have said that ________ children believe they can succeed, they will never become totally confident of themselves. A．if B．since C．once D．unless
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| 49. 难度：中等 | |
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He never thought that his success came ________ he least wanted it. A．until B．since C．when D．while
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| 50. 难度：中等 | |
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Besides, ________ well it is translated, the spirit of the original work is lost. A．no matter how B．no matter what C．no matter when D．no matter where
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| 51. 难度：中等 | |
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________ you have to do the job, you should try your best to do it well even though it may be very difficult for you. A．Since B．While C．Unless D．Though
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| 52. 难度：中等 | |
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________ much advice you give him, he does exactly what he wants. A．No matter B．Whether C．Whatever D．However
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| 53. 难度：简单 | |
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I was wondering what to do with my car which won't start ________ a kind man offered to help. A．while B．and C．so D．when
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| 54. 难度：中等 | |
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________ my teacher didn't tell me directly, I still felt that I didn't live up to her expectation. A．When B．Since C．As D．While
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| 55. 难度：中等 | |
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________ he stops driving himself like this, he'll have a breakdown. A．Until B．Once C．Since D．Unless
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| 56. 难度：中等 | |
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Beijing is ranked first in terms of traffic jams and expenses for culture ________ Guangzhou is more open to peasant workers than Beijing and Shanghai. A．when B．since C．while D．because
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| 57. 难度：中等 | |
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________ I'm mistaken, I've seen that tall man at a party before. A．If B．As C．Unless D．When
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| 58. 难度：中等 | |
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Everything was placed exactly ________ it used to be before she left the laboratory. A．why B．when C．where D．though
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| 59. 难度：中等 | |
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Just use this room for the time being, and we'll offer you a larger one ________ it becomes available. A．as soon as B．unless C．as far as D．until
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