1. We have to admit that everyone of us is more or less [   ] to some sort of superstition.


2. The freeway is now __ to motorists after it was blocked off by a huge landslide yesterday. 


3. For the sake of health, many people have dramatically reduced the amount of red meat they [   ].


4. My brother is very [   ]; he won’t give up easily.


5. The minimum [   ] is the lowest amount of money an employer is allowed to pay an employee.


6. Since Michael and I work in the same hospital, I can hardly avoid [   ] him.


7. You should live within your income. Otherwise, you won’t be able to earn enough money to [   ].


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


9. He went to a [   ] high school to get practical knowledge and job-related skills.


10. A [   ] has four corners.


11. Those angry peasants held a sit-in [   ] make their protests against the new policy.


12. 《Mary》: How much juice would you like? 《Ted》: [   ] 《Mary》: No problem. We’ve plenty.


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


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


15. __ the election is the question both political parties are asking. 


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


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


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


19. The building collapsed, and only one person buried underground could [   ] survive the catastrophic earthquake.


20. Paul was charged with [   ] driving after he was arrested for running over an old man.


21. The western coalition is trying to [   ] Libya’s air-defense system to protect civilians and help rebel forces.


22. The manager talks as if he     mad at you, but this is just the way he talks to everybody. 


23. Tim is terrible at [   ] a trip. He always takes to much stuff.


24. Seasonal flu vaccinations began yesterday, leading to long lines at hospitals and health centers [   ] the island.


25. Many portable products are made as     as possible for user’s ease to carry. 


26. Reading detective stories is one of Steve’s favorite [   ].


27. What is an instrument which is used to see things far away?


28. I was browsing in the library and __ an interesting book on traveling in Alaska. 


29. It didn’t take us long to get here because there [   ] traffic.


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


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


32. It took the Davies' fifteen years to complete that [   ] mansion.


33. A: [   ] B:He’s a salesman.


34. The dentist was ?lling a large [   ] in her tooth.


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


36. I have been taking the Yoga class [   ] I came to this school.


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


38. A: You look awful. What’s wrong? B:I can’t sleep well these days. I still have nightmares about the car accident. It’s really scary to know that your life is still at risk even when you follow the traffic rules. A:I understand how you feel. All I can say is that [   ].


39. There were hundreds of [   ] at this ball game.


40. Most bookstores have a section for young readers, [   ] you’ll find books stacked on tables and shelves just like in the library.


41. Joe is really [   ] about the party tonight. He’s making lots of preparations to make sure everyone can have a good time.


42. A: Can you visit us in New York over Christmas? B: I really want to, but I don’t think I can. A: [   ]. What’s the problem?


43. Jim is very [   ] and dynamic; he enjoys physical activities and you can seldom see him stay still for more than ten minutes.


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


45. He went for an ocean voyage and [   ] his health.


46. The escaping criminal [   ] himself as an old security guard, so the police failed to recognize him at first sight.


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


48. Many people want to do some sports, but there are not enough [   ] in the city.


49. ____ you encounter any problems regarding the new system, please notify the tech support ASAP. 


50. My son is [   ] of the dark, so he never walks out of the house after sunset.