1. He went for an ocean voyage and __ his health. 


2. 《Sylvia》: What's your favorite season? 《Amy》: [   ] 《Sylvia》: Me too. I hate cold winter days.


3. Volcanic __ grounded thousands of passengers and fliers across Europe last year. 


4. [   ] in 1952, the MIT Sloan School of Management is one of the world’s most prestigious business school.


5. The shopping ____ policy aimed to stimulate consumption in order to boost up droopy economy. 


6. The factory workers [   ] that their workload was too heavy but the pay was too low. They decided to stage a protest.


7. Since the typhoon, the basement has been filled with water. We have to [   ] it as soon as possible. Otherwise, waterborne diseases might spread.


8. Do you mind [   ] to the post office with me? I don’t think I know how to get there.


9. We are so glad that Miss Snow is teaching [   ] English.


10. With a big family to support, John has been [   ] trying to get a job for months, but has not found one yet.


11. Not only [   ] most male birds have extremely beautiful feathers, they know how to use them.


12. Hotel guests who [   ] checking out after 1:00 P.M. should contact the front desk.


13. Dr. Wilson, __ is the CEO of the company, will be here to give a speech at the opening ceremony next week. 


14. You don't want to go to the party, [   ]? You look very sleepy.


15. My brother's [   ] is to become a doctor; but he'll need to study hard to get into medical school.


16. Sara felt [   ] tired [   ] exercise yesterday.


17. You [   ] your father the truth then. That way, he wouldn't be so angry with you now.


18. The 2010 Flora Expo, held in Taipei, is very successful. Do you know [   ] city is going to host the next Flora Expo?


19. You should have finished this work a week ago, but you didn’t. I think you should give me an [   ].


20. Don’t buy me a whole cake. A [   ] will be enough.


21. In the face of energy crisis, scientists worldwide are now exploring [   ] energy to replace fossil fuels.


22. Taiwan is famous for its [   ] industry. Many foreigners are using computers made in Taiwan.


23. There is a debate going on right now over [   ] to make mercy killing legal or not.


24. The average was down [   ], went briefly into the black around lunchtime, then ended with a loss of 139.


25. Gorillas are [   ] the best communicators of all animals.


26. We could have gone swimming if the weather [   ] warm and sunny.


27. The [   ] earthquake has buried over 18,000 lives in southwestern China’s Sichuan province.


28. At first I didn’t find her annoying, but after a while her behavior began to [   ] me.


29. The annual charity fundraising event is [   ] by several financial institutions in Taiwan.


30. After she had the cosmetic surgery, the doctor reminded her to avoid any [   ] to the sun.


31. That old man has no family, so he sometimes gets very, very [   ].


32. Most people like to talk about the subjects with [   ] they are most familiar.


33. A 5-year-old child was lost in the __. The forest made it hard to trace him down. 


34. Many families are struggling to [   ] during this recession.


35. Group registrations are not allowed. Each member must register for the conference    . 


36. A: Why did you feed that kitty? B:There is nothing [   ] a homeless cat.


37. It is reported that there’s [   ] tension between the refugees and the local population in Pakistan.


38. Athletes always wear clothes made of [   ] materials, so they may stretch their bodies without difficulty.


39. The escaping criminal [   ] himself as an old security guard, so the police failed to recognize him at first sight.


40. Our teacher always tells us that knowledge should be [   ] through years, not gained in one day.


41. We have been waiting for Jack for almost two hours. I wonder [   ].


42. The [   ] of food in this world is unequal. Some suffer from hunger in many areas such as in Africa.


43. The president’s reckless actions have [   ] his country into a disaster.


44. Historical insights serve to clarify and [   ] the critical activity of a period.


45. Research in the environment has [   ] that the rain forests throughout the world are being ruthlessly destroyed.


46. The city is going to hold a public hearing to discuss     the historical building should be torn down. 


47. For many people, one of the joys of [   ] is the prospect of parenthood.


48. 《Mary》: We were too late for the concert! 《Tom》: [   ] It wasn’t very good anyway.


49. Free Spirit Team will probably [   ] the speech contest as it is much better than our team.


50. I [   ] know him. I have talked to him no more than three times.