1. The economy in that country is facing a severe slowdown and possibly a [   ] in the next few years.


2. A:What should we do now? B: [   ]


3. Tom’s desk was so [   ] with papers that it was hard to find anything.


4. I am very thirsty. May I have some more [   ]?


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


6. Students have to pay tuition fees before they start [   ] courses via the computerized registration system.


7. The police have suspected him of involvement in the suicide bombing but there is no [   ] evidence to arrest him.


8. Oil and natural gas exist on this planet in a limited supply; therefore, it is essential for people to develop [   ] to these nonrenewable energy sources.


9. There is a risk that the longer people put off their work, [   ] it will eventually get done.


10. Please turn off the light. We should save [   ]; otherwise, the bill might go up again.


11. The new medicine is still in [   ] stages and will not hit the market until next year.


12. A: How are you feeling today, Mr. Lin? B: [   ]. A:I see. Please sit back and open your mouth. Your throat is swollen, too. Do you have any other symptoms? B: I also had a terrible headache last night.


13. The total number of the staff is [   ] larger in our company than that in yours.


14. 《Ken》:I have two tickets to the basketball game tonight. Would you like to go? 《Tim》: [   ]《Ken》: Why can’t you go? 《Tim》: I’ve got to hand in a 10-page report tomorrow morning and I’m still working on it.


15. Due to the winter storm, hundreds of flights were [   ] and many passengers had to stay in airports.


16. I [   ] the floor when the earthquake occurred late last night.


17. It is often said that prevention is better than cure, so why not take some __ in advance? 


18. It is imperative that the city council     in favor of the city renewal plan. 


19. Today is a beautiful day, [   ]?


20. I think I should be going now. I’ve got to [   ] my son at the school in ten minutes.


21. The police questioned the [   ] for two hours, but they still weren’t sure whether he robbed the bank.


22. 《Lin》: You look so angry. What happened? 《Chen》:This morning I took my car to the garage to have them check the air-conditioner. They only gave it a once-over, refilled it with some Freon, and charged me 3,000 dollars! 《Lin》: No wonder you’re livid. [   ]


23. Robert can’t drive us to the airport. He has [   ] to take us all.


24. 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.


25. 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. [   ]


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


27. The cars are moving so slowly that I can __ them just by walking fast. 


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


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


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


31. In the [   ] of anyone better, we chose him as the leader.


32. A:Did the committee members ask you many questions in your thesis defense? B: [   ]. I am not optimistic about the result of the defense.


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


34. When a big company goes out of business it is usually all [   ] the news.


35. Mary likes her job, [   ]?


36. All of [   ] have joined the on-the-job training.


37. His novel was [   ] by all the major publishers. Finally, a small publisher printed it and it became a best seller.


38. My twin sister’s values have [   ] so much over the years that we are no longer compatible.


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


40. If you [   ] my children, what subjects [   ] you teach them?


41. If you pay your bills on time, you will have good [   ].


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


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


44. Do not forget your ticket! Only ticket-holders will be [   ] to the concert.


45. The label on the canned pork says this product is [   ] to be free of preservatives.


46. This contract is [   ] approval by both parties involved.


47. The luxury tax is set to [   ] on July 1, but it has already dampened enthusiasm in the real estate market.


48. I like to [   ] time [   ] my family.


49. Steve Jobs’ [   ] mastery of technological innovations and aesthetics successfully transformed the landscape of consumer electronics industry.


50. English is important in Taiwan, [   ] for business people.