1. You must keep [   ] whatever your boss tells you to do, or you may be fired.


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


3. 《Linda》: Alex, it’s your turn to do the dishes, isn’t it? 《Alex》: [   ]《Linda》: You know very well that I did the dishes last night.


4. Before the final exam, our teacher taught us how to use our time [   ] while preparing for tests.


5. The potential amount of energy that can be produced by wind is huge. It is [   ] five times the current amount of electricity that is used.


6. A:I can’t get into my favorite jeans anymore. It’s really depressing. [   ]. B:Well, I think you look fine. You shouldn’t worry about it.


7. No matter what the [   ] will be like tomorrow, I’ll go fishing.


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


9. After [   ] his homework, he decides to go out for a break.


10. Tom’s desk was so ____ with papers that it was hard to find anything. 


11. Many of our character traits are not tested __ we are in a difficult situation. 


12. Jason is a great tour guide because he is not only ready to help [   ] also very knowledgeable.


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


14. From a poor family, Joanna has never dreamed of studying abroad because she knows that it would [   ].


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


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


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


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


19. The Review Board could be considering ____ the grants given to several non-governmental organizations. 


20. The former CEO of Highhills Inc. was believed ____ a suicide. 


21. A harmful chemical has been found in US beef products, so many [   ] choose to buy local beef instead.


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


23. The parrot used its strong [   ] to crack open the nuts.


24. It’s a pity that I failed again. If I had read the book carefully,     the test. 


25. The girl Frank likes has said no to him, so he has no choice but to take [   ] wants to go with him to the party.


26. A student's frequent absence from school is often a clear [   ] of his problem in life and study.


27. Research shows that only some animals are able to [   ] in the wild after being released from the zoo.


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


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


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


31. A cat got into the kennel last night and created a tremendous [   ].


32. [   ] I did not like her at first, she ended up becoming my best friend.


33. There are elegant shops on [   ] side of the street.


34. High school students in Taiwan often [   ] that preparing for tests keeps them from having enough sleep.


35. 《Susan》: I'm going to Tokyo on vacation next week. 《Alice》: Oh, how nice! [   ] 《Susan》: Thanks a lot.


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


37. I just learned that Tivoli Gardens in Copenhagen, Denmark was the [   ] for the original Disneyland in L.A., California.


38. We don’t need to [   ] what the future will hold; just focus on the present task.


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


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


41. Most of the people in my office want to stay [   ], so they exercise regularly.


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


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


44. We [   ] tell John about the accident, shouldn’t we?


45.     the CEO walked into the conference room, all department managers became very nervous. 


46. The cars are moving so slowly that I can [   ] them just by walking fast.


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


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


49. My coworkers have been working hard to [   ] a fuel shortage next summer.


50. John [   ] broke his glasses while playing basketball with his classmates. He should have been more careful.