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


2. If Miss Chen works for another 5 years, she will be [   ] for a pension when she retires.


3. A: Do you mind if I invite Kevin to our party? B: [   ]


4. I think thunder is scary, [   ] lightning is beautiful.


5. [   ] help us fly kites in spring and cool us in summer.


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


7. Many runners aim to run like an [   ] .


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


9. Janine will probably lose her job [   ] her boss in front of the entire staff last week.


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


11. The government may require individuals to limit the carbon dioxide they produce to [   ] global warming.


12. 《Sam》: What kept you so long? I’ve been waiting for an hour. 《Nancy》: [   ] 《Sam》: I hope we can catch the flight.


13. 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. [   ]


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


15. 《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.


16. The representatives, with cigarettes in their hands, [   ] over a few details when suddenly smoke detector set off the fire alarm.


17. Most of the     were satisfied with the annual bonus the company gave based on their job performance. 


18. It has always been very generous     you to assist us in arranging the meeting. 


19. There is a beautifully [   ] lion in the lobby of the building.


20. __ activity should be avoided after an operation. 


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


22. Paparazzi are photographers who [   ] celebrities’ privacy by taking their pictures.


23. It is a [   ] of law to ride a motorcycle without wearing a helmet.


24. To have her own clothing store, Jane borrowed money from family members to get her business [   ].


25. We still haven't got used to [   ] in the hot and humid city after these many years.


26. The economy in that country is facing a severe slowdown and possibly a __ in the next few years. 


27. Yani Tseng, who won several ladies professional golf championships, spent [   ] of time practicing golf before she became so successful.


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


29. We have been waiting for Jack for almost two hours. I wonder [   ].


30. Though it is too early to say whether the storm will make [   ] in Taiwan, it is predicted heavy rain for northern and eastern parts of the island over the coming days.


31. 《Ken》: Oh my! 《Claire》: [   ]《Ken》: My headache is killing me.


32. The FDA planned to grant [   ] to clinical trial testing the use of the new drug.


33. Mr. Stevenson always [   ] a sense of genuine interest in his students. No wonder his students like him so much.


34. Mary can't hear, and she can hardly speak [   ].


35. This ring was a family heirloom, which was [   ] from my grandfather to my father.


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


37. Our teacher always tells us that knowledge should be [   ] through years, not gained in one day.


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


39. According to our justice system, the suspect will be considered [   ] until proven guilty.


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


41. Many young people today are [   ] with fashion and style. They care more about what they wear than what they think or believe.


42. Although experts agree that it is vital to eat a good breakfast, not many people are [   ] their advice.


43. The Ministry of Finance announced tax [   ] for the victims of the 921 earthquake and of typhoon Toraji.


44. Research in the environment has [   ] that the rain forests throughout the world are being ruthlessly destroyed.


45. Though unwilling to follow his father’s footsteps, Jason still [   ] the family business when his father passed away.


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


47. My mother always says we should think things through before [   ] anything.


48. The former CEO of Highhills Inc. was believed [   ] a suicide.


49. 《Tom》: Are you free tonight? 《Cathy》: [   ]《Tom》: Too bad. I was thinking maybe we could go see a movie tonight.


50. There was a rumor that there had been a minor accident at the nuclear power plant, but a spokesman for the plant issued a [   ].