1. In this industry, you really need to keep [   ] if you don't want to be caught off guard.


2. Most people like to talk about the subjects with [   ] they are most familiar.


3. Sara felt [   ] tired [   ] exercise yesterday.


4. Cultures [   ], so we sometimes need to adjust our behavior when we are in a new country.


5. Which fruit is this country famous for, bananas or [   ] ?


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


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


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


9. The annual charity fundraising event is [   ] by several financial institutions in Taiwan.


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


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


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


13. We stood at different locations when the accident happened. His [   ] of the accident was very different from mine.


14. 《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.


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


16. A: [   ] B:He’s a salesman.


17. This machine is [   ]. All you have to do is turn it on and it will operate by itself.


18. I want to see ____. 


19. 《Martin》: I did terribly at the math exam. I don’t think I will pass. 《James》: [   ] You’ve spent too much time playing the computer games lately.


20. A: How do you stay fit and healthy? B: [   ]. I also try to avoid smoking and drinking too much.


21. The deadline is Friday, so we had better [   ] the report as soon as possible.


22. If a person doesn’t know a word, he or she should look it up in the [   ] in the back of the book.


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


24. A brand brings a set of __ in the mind of the consumer and one of these is the country of origin. 


25. Where are you going? I’m going to the [   ].


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


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


28. Employees are required to follow the standard operating procedures and to act ____. 


29. The best way to buy train tickets [   ] book online.


30. It is reported that there’s [   ] tension between the refugees and the local population in Pakistan.


31. A brake is a device designed to [   ] or stop the motion of a mechanical body.


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


33. Chinese traveling abroad began as a trickle in the '90s, but they are [   ] Asian destinations like a tourism tsunami.


34. Kate lost her way while driving to River City. She [   ] her road map at home.


35. Can you [   ] how old Ms. Wang is? She is 50, but she looks as if she were only 30.


36. Free Spirit Team will probably __ the speech contest as it is much better than our team. 


37. The freeway is now [   ] to motorists after it was blocked off by a huge landslide yesterday.


38. How much do you guess [   ]?


39. Please do not hesitate [   ] me if you have any questions.


40. Old soldiers never die; they only __. 


41. 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.


42. Shelly prefers red roses [   ] yellow ones.


43. Before you fly, please be sure to read the list of items [   ] from being carried onto the plane. You must not bring any of these items to the security checkpoints.


44. [   ] at the back door, and they may hear you and open the door.


45. Keep in mind that smoking is strictly [   ] when you are handling explosive materials.


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


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


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


49. The UN has __ its troops from Iraq. Let’s hope that war will come to an end soon. 


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