一、单项选择 1. Shyness is said to be one of the biggest _______ to making friends. A. relief B. principle C. barrier D. message 2. The professor warned the students that by no means _______ use mobile phones in his class. A. should they B. they should C. dare they D. they dare 3. both sides accept the agreement a lasting peace be established in this region. A. If only ; would B. Only if ; will C. Should ; will D. Unless ; would 4. One of the unanswered questions of September 11 th is whether there was anything U.S. intelligence _______ to stop the attack. A. must do B. could do C. must have done D. could have done 5. As a splendid secretary,Mr. Howell always keeps the manager ____ of what’s going on at home and abroad, so he deserves ______ . A. to be informed ; to be praised B. informing ; praising C. informed ; praised D. informed ; praising 6. This raw chocolate tastes pretty delicious due to ______ amount of melted pure fresh cream. A. equal B. generous C. insufficient D. tiny 7. ---What did the young man come to your company for ? ---He wanted a job , _____ could help him support his family . A. what B. one C. that D. one that 8. He insisted that he ______right , and so he insisted that his plan ________ carried out at once . A. was; be B. be; would be C. was; was D. be; should be 9. Normally, a forest fire and the damage _______ causes can be very extensive, especially when you consider the financial and physical losses. A. which B. that C. what D. it 10. The strength in the ice, the rescuer slowly fell to the bottom of the river. A. given out B. having given out C. run out D. running out of 11. ______ the consistent efforts made by the people of Hangzhou, preparatory work for the G20 Summit has been a success. A. Thanks to B. In terms of C. With regard to D. In addition to 12. A recent study shows that being pulled into the world of an interesting novel ______ make some actual, measurable changes in the brain. A. should B. need C. shall D. can 13. Recently, a video ______ “tiger attack in the zoo” became widespread on the Internet and aroused a heated discussion about who was actually responsible. A. being titled B. titled C. titling D. have titled 14. --Did you ______ the concert yesterday evening ? --Sorry, I didn’t have enough time. I really regret ______ my homework earlier . A. attend ; not to finish B. join ; not finishing C. take part in ; having not finished D. attend ; not having finished 15. Why do many students stick to private tutoring _____ they could easily master such knowledge at school? A. unless B. before C. after D. when 16. The Party could have stated ______ their policy was on this matter, but the voters only received a very dusty answer. A. why B. when C. whether D. what 17. If their populations continued to grow as fast as the past few years, the living conditions, traffic, public services, and especially the consumption of water and generation of garbage______ unbearable. A. would soon become B. soon became C. would have soon become D. had soon become 18. — Jerry, where did you guys go for the summer vacation? — We ______ busy with our work, or we would have gone to Brazil to watch the games. A. were B. have been C. had been D. would be 19. —When the Americans objected to this, what did the British do? —They did not compromise, but increased control, ________ away many of their rights, and________ soldiers there. A. taking; stationing B. taking; to station C. took; stationing D. took; to station 20. —Why didn’t you move to another city when you finished your further study abroad? —I wanted to, but she simply ________ let me go. A. couldn’t B. wouldn’t C. shouldn’t have D. mustn’t have 21. It was Jack who cheated in the exam. Why are you talking to me as if I it? A. had done B. have done C. did D. am doing 22. I would not be seeing the film Green Book now _____ me up in time. A . were Kathy not to pick B . had Kathy not picked C . if Kathy hasn ’ t picked D . if Kathy did not pick 23. Emphasis on quantity of growth overlooked gaps in the quality, _____ many aspects of the social services neglected. A . having left B . to be leaving C . to have left D . leaving 24. On Nov.11 , Alibaba sold more than 90 billion yuan goods on its e-commerce platforms Taobao.com and T-Mall , making headlines all over the world. A. worth of B. sum of C. value for D. profit for 25. You have the ______ of working hard and being successful or not working hard and being unsuccessful. A. selection B. choice C. alternative D. option 26. ________ is known that the play _______ Hamlet’s death. A. It; ends by B. As; ends up with C. It; ends up with D. As; ends with 27. It is __________money that _______ her not continuing her studies. A. Lacking; explains to B. lack in; makes for C. lacking of; approves of D. lack of; accounts for 28. Being colour-blind, Sally can’t make a ______ between red and green . A . difference B . distinction C . comparison D . division 29.“The interest ____ be divided into five parts, according to the agreement made by both sides,” declared the judge. A. may B. should C. must D. shall 30. ---How was your evening? ---We went to Joe ’ s and had ____. We really enjoyed ourselves. A . a white elephant B . a square meal C . a sacred cow D . the salt of the earth