1. A friend of [   ] is coming to stay with me next week.


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


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


4. According to the health official, the rate of increasing number of cases is not beyond [   ] is expected and the symptoms of all the patients are mild.


5. His corruption as a government employer has put a [   ] on his long-standing reputation.


6. After the car accident, I kept [   ] that things will get better.


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


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


9. 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.


10. We can find almost all the information we need [   ] surfing the Internet.


11. The power supply in this area is not [   ]. You had better save your file every ten minutes.


12. Jenny was brought up in a poor family. She had to [   ] her free time to baby-sit her neighbor’s 2-year-old boy to pay for her high school education.


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


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


15. Any revision of the law should be [   ] with the overall goal of the government's policy. The priority should be placed on the welfare of the citizens.


16. It seemed that the walls    . 


17. To [   ] road accidents, we should always follow traffic rules.


18. Tom’s colleagues threw a [   ] party for him the day before he officially retired. They wanted to show how much they would miss him.


19. Tigers are a(n) [   ] species, but they are still hunted for their bones and skins in some areas.


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


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


22. Small businesses usually can respond to new market     fast and make necessary changes. 


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


24. He speaks English poorly. He can’t make himself [   ] in English.


25. I don’t know [   ]of the people in this room. Can you introduce each of them to me?


26. 《Joanna》: I want to go shopping. [   ]《Rainy》: Sure. I also want to buy some winter clothes.


27. Volcanic [   ] grounded thousands of passengers and fliers across Europe last year.


28. Sherlock Holmes [   ] smoke in the air and assumed the killer had not left for too long.


29. Our boss [   ] the importance of our finishing the report over the weekend, since he wanted to discuss it at the meeting on Monday morning.


30. [   ] your dreams come true, you need to work harder.


31. Do you think it good for students to be absolutely [   ] without making any objections in any case?


32. [   ] the development of human civilization, it is plain to see that human beings are easily corrupted by power.


33. Nowadays, many industries try to do something for     problems. They know the earth is greatly damaged by pollutants. 


34. The supervisor was so [   ] of the new idea that his staff proposed that it was never put into real practice.


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


36. The government is figuring out ways to maintain our economic [   ] so that the unemployment rate will go down.


37. 《Mother》: My daughter eats like a bird. 《Doctor》: [   ] Advise her to eat more.


38. The washing machine is not working properly. I have to get it [   ].


39. A single bacteria, [   ] the right conditions, divides rapidly into colonies of billions in one day.


40. There is only a little juice left in the [   ].


41. George suffered very serious brain [   ] in a car accident.


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


43. A:Jenny seems to be angry at me, and I don’t know why. B: I know. She is unhappy because you said she looked old in her new dress. A:But I was just joking! B: She didn’t take it lightly. She felt hurt. A: Well, I guess you’re right. [   ]


44. Of all the novels I’ve read, this one is [   ] interesting.


45. [   ] are those who act in contradiction to their stated beliefs or feelings.


46. Working at your computer for a long time can [   ] pain in your wrists.


47. A:May I ask what kind of work you are doing? B:I am working for the auditing department of the City Government. A: [   ] B:Yes, she works as a high-school teacher.


48. A: Can you pass the test? B: [   ] A: Good for you. I’m very likely to fail.


49. We have been [   ] of the law firm for many years and are satisfied with the legal services provided.


50. Please do not [   ]. The waste bin is just around the corner.