Unit 11. R others shows that you are polite.2. Mark made an apology to his teacher for his bad b in class.3. He is an agricultural s_, who devotes all his life to the research into agriculture.4. Greatly i_ by the teachers words, he is determined to study harder than before.5. I had i to help you, but I was busy then.6. We reached an agreement without much .(争论)7. Since he took his job, he has l a busy life.8. Its not easy to get on a bus c with passengers(乘客) in the rush hours.9. Girls are more interested in enews than boys.10. He never showed any c_ for his mothers feelings.11. Our school started a (活动)against smoking.12. It is w_ to spend the whole day in the forest, o_ how the chimps live.13. He published his (观察) in the magazine.14. He was an strong sof reform （改革）.15. Do you believe that theres a c between smoking and heart disease?16. Coming top in such an important exam is quite an a.17. The milkman d milk to my home early every morning.18. You should only use the door in an e.19. Is this the sister you r to in your last letter?20. It is c_ of you not to make any noise while the others are having a rest.21. I will give your suggestion serious c 22. He spoke in s of the plan. 23. The old clock (strike) the hours for the villagers during those days.24. She has a wheelchair s made for her. 25. They set up an o devoted to helping children without parents. 26. She is the last person (联系，与有关) with the shoplifting.27. Genius is 10% i and 90% perspiration.28. The mother won our r for her selfless love.29. She was sitting up in bed, （支撑）by pillows.30. She b as if she were a child. 31. Youd better finish your homework without r_ to your notes.32. As students, we should o_the rules and regulations of our school.Unit 21. The bad weather rgrain harvests in the last couple of years.2. In order to keep your body healthy, you should take the advice on diet and n_. 3. We should make a s_of the results of the exam briefly and report to the headmaster.4. The workers have been （作斗争）against conditions for too long. 5. Our foreign trade has e greatly in recent years.6. T to his help, we finished the task on time.7. The document（文档）will be (传阅) to all members. 8. Last night they r the dormitory of mice which made much noise at night. 9. The girl always wants to be the f of attention.10. He doesnt allow （评论）on his appearance.11People are always making （评论）on my appearance.12. The twins are so alike that I always c_ them with each other.13. Anyone （装备；配备）with necessary knowledge and skills is equal to this position. 14. He is ill today, and t he cant go to school.15. The news that I failed again this time is quite d.16. Many raw materials are （出口）to foreign countries. 17. After 10 years in prison, he was given his f.18. From the （满意） look on her face, I knew she was pleased with the results.19. Your vocabulary needs b up if you want your English improved.20. I have been （后悔）not taking his advice since then. 21. On entering the room, I found all the eyes （集中；聚焦）on me.22He （略读）the pages quickly and then read them again and carefully.23. After a long s, he gained control of the business.24. The Fashion Magazine developed a large （销量）quickly.25. I felt Id made a great d.26. The teaching buildings are well e. 27. Not having had food for over forty hours, we were all weak from h_.28. The cookies are made from g_ and fruit. 29. When food goes bad, there are some creactions taking place.Unit 31. The p_ of the play are all American.2. The reason why he was against the plan was not c.3. The _（内容） of your essay（论文） is excellent, but it is not well expressed. 4. We were all ewith his jokes.5. U, his son died in the accident.6. Its rude of him not to r to others advice.7. Learners of a second language have many difficulties to o.8. The audience became b with his long speech.9. They looked at each other, . （吃惊）10. They looked at each other in . （吃惊）11. The naughty boy s_ into the kitchen again when his mother was watching TV.12. No one has come up with an exact e of why this kind of animal is dying out.13. His experiment ended in f_.14. Dr Sun Yat-sen was one of the most o_ leaders in Chinese history.15. When having English class, I heard two students _ (低语) to each other.16. You should avoid eating fat meat, pork _. （尤其）17. By the end of February schools are opened t_ the country.18. Hundreds of people leave their villages hoping to gain their f_ in cities. 19. I fou