1. As __ as it had started, the rain stopped and the sun came out from the blue sky. 


2. If Miss Chen works for another 5 years, she will be [   ] for a pension when she retires.


3. I had a great time reading the book [   ] you lent me.


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


5. The traffic accident took three lives, [   ] the truck driver.


6. When we receive text messages of promotions from a company, we must be [   ] of possible false advertisement out of which the company wants to make profit.


7. The workers have decided to [   ] with their employers about their wage claims.


8. [   ] you encounter any problems regarding the new system, please notify the tech support ASAP.


9. 《Jenny》: Where did you get your hair done? It looks so stylish. 《Lilly》: [   ] By the way, I highly recommend the hairstylist called Paul. 《Jenny》: Thanks. I’ll sure go take a look.


10. The window [   ] by my little brother yesterday.


11. We can always work toward improving our self-control, and, __, we can help others do the same. 


12. Acid rain causes the ground to release [   ] substances; plants and trees are thus slowly poisoned.


13. To have her own clothing store, Jane borrowed money from family members to get her business __. 


14. The key players in the energy market, ____ heavy capital investment, have little interest in innovation. 


15. A: Gee, your room is a mess. B: I have been preparing for an important exam these days. [   ]


16. He bought a car right after he obtained a driver's [   ].


17. The original model has been [   ] and replaced by the new one.


18. The coach, together with his team players, [   ] warmly welcomed when they got off the bus.


19. Newspapers are a good way to hear the news. [   ] TV news programs.


20. There was a rumor that there had been a minor accident at the nuclear power plant, but a spokesman for the plant issued a [   ].


21. [   ] working part-time at a fast-food restaurant, Monty has made enough money to pay for his studies.


22. Tina plans to [   ] children in a remote school in the mountains after college.


23. The [   ] of this button is to make sure we can stop the machine if things go wrong.


24. More advances in technology [   ] in the last decade than in any other time in human history.


25. For many people, one of the joys of __ is the prospect of parenthood. 


26. Do you have [   ] for one thousand dollars?


27. I had planned on going out last night, but [   ] prevented it.


28. A:Why do you think Mr. Wang likes his new job? B:When I talked with him, he seemed [   ] to discuss his work.


29. At Patty’s wedding, her mother made a few polite [   ] about her husband’s family.


30. It is essential that officials at all levels of government refuse to accept [   ] from business interests.


31. 《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.


32. If you pay your bills on time, you will have good __. 


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


34. [   ] warming has caused dramatic climatic changes in many areas around the world.


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


36. I am looking forward to [   ] from you at your earliest convenience.


37. Don’t buy me a whole cake. A __ will be enough. 


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


39. Because the blood [   ] to supply enough oxygen to his brain, he feels dizzy quite often.


40. A:Did the doctor tell him to stop smoking cigarettes, or did he do it on his own? B: [   ]


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


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


43. A: Are you excited about your first day of work? B: Of course. That’s my first job. A: How are you going to the office? B: [   ]


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


45. We are glad to receive your order for 50 units of classic furniture to be supplied to your own [   ].


46. When we receive text messages of promotions from a company, we must be ____ of possible false advertisement out of which the company wants to make profit.  


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


48. Jane got a high score on the English test today. She [   ] very hard last night.


49. It has been so cold lately [   ] I have never felt like going out.


50. [   ] the election is the question both political parties are asking.