1. If you want to be promoted at work, you need to work [   ].


2. The United Nations made an [   ] for help from all over the world after the earthquake.


3. You should always [   ] your opinions politely.


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


5. Please fill out the paperwork before [   ] in line.


6. Most of the     were satisfied with the annual bonus the company gave based on their job performance. 


7. Keep in mind that smoking is strictly [   ] when you are handling explosive materials.


8. Many ads use our __—like fear or love—to persuade us that we need the product. 


9. The habit of doing extensive reading helps to lay the [   ] of children’s writing skills.


10. I may not be as [   ] as you, but I believe my hard work can make me successful in the long run.


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


12. Many people in the U.S. are staying away from restaurants, skipping vacations and [   ] on buying new cars.


13. It has always been very generous     you to assist us in arranging the meeting. 


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


15. Nancy screamed when she saw a taxi [   ] into an old woman on the street.


16. A study shows that intelligence accounts for only 20 percent of the factors that determine success, __ EQ playing an important role in the remaining 80 percent. 


17. I will attend Mr. Wang’s wedding [   ] my father, who has gone to Hong Kong on business.


18. In the previous year, you [   ] ballpoint pens and pocket calendars to my school. Will you do the same this year?


19. When she [   ] in track-and-field events in the 1960 Olympics, Wilma Rudolph won three gold medals.


20. It is often said that prevention is better than cure, so why not take some [   ] in advance?


21. The field is too barren to yield crops, so the farmers decide to put some [   ] on it.


22. Public education [   ] would need to be increased for small-size classes, teacher training programs and new E-learning facilities.


23. Not until Toyota debuted the model Prius in the late 1990s ____ the technology of hybrid engine. 


24. Michelle would certainly have attended advisory board meeting __ on the highway. 


25. 《Customer》: I’d like this one, please. 《Clerk》: [   ] 《Customer》: I’ll put it on my Best Card.


26. Little kids begin learning their mother tongue by [   ] what they hear around them.


27. China is calling for a new global currency [   ] the dominant dollar.


28. 《Sandra》:I think watching TV is a waste of time. Most programs are stupid or boring. 《Jack》: [   ] What about sports or the news? You watch those sometimes, don’t you? 《Sandra》: Well, actually for the news, I prefer the newspaper.


29. Imagine [   ] an extra day off this weekend. That would be great.


30. All employees are required not to discuss     information about the company. 


31. Mutual funds came into our country in recent years. This financial product was developed for those who do not have enough time, money and __ knowledge to invest. 


32. The athletes are getting in shape for the big [   ] next month.


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


34. Not only the assistant managers but also the secretary [   ] that the company is failing.


35. You should understand that learning a language well results from [   ] practice.


36. It [   ] me two hours to get there because the traffic was awful.


37. [   ], they would not have solved their financial problem.


38. The children could not help but [   ] when the clown stepped on the stage.


39. All branch stores are required to fill out the ____ report to check if there is enough merchandise on shelf and in stock. 


40. The [   ] of this scholarship will receive $30,000.


41. Joy and happiness spread throughout the Middle East and North Africa, where people [   ] their own president in January 2011.


42. The [   ] of the theory is still being questioned since a number of researchers disagree with its main argument.


43. Advertising is distinguished from other forms of communication __ the advertiser pays for the message to be delivered. 


44. Many young people today are [   ] with fashion and style. They care more about what they wear than what they think or believe.


45. A:I have told you a thousand times to clean up the mess in your room. B: [   ]. A: I would like to hear about it. B: My littered desk and floor show that I am embarking on creative work. I don’t see the necessity of investing all my time to clean things up


46. 《Pam》:John, where are the cookies? Don’t tell me you ate them all! Again! 《John》:Yes, I did. [   ] They were so good. 《Pam》: I thought you didn’t like cookies. 《John》: Well, I don’t like cookies flavored with chocolate at all. But vanilla is different. I love them to death.


47. This machine is [   ]. All you have to do is turn it on and it will operate by itself.


48. The deadline is Friday, so we had better [   ] the report as soon as possible.


49. This handmade car sold for a million dollars because it was [   ].


50. When traveling around the world, a person must [   ] eating different types of food.