1. A single bacteria, __ the right conditions, divides rapidly into colonies of billions in one day. 


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


3. A: Hey, do you have a minute? B: [   ]


4. There is a risk that the longer people put off their work, __ it will eventually get done. 


5. Gorillas are __ the best communicators of all animals. 


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


7. The museum’s main hall [   ] an enormous book, and its restaurant looks like a big cake.


8. A:I’m hungry. Let’s have lunch. B: OK. What do you want to eat? A:Why don’t we have Italian food? B: [   ]


9. 《Saleslady》: Hi, can I help you? George: No, thanks. [   ] 《Saleslady》: All right. If you need any help, just let me know. My name is Joyce. 《George》: Sure. I’ll let you know if I need anything.


10. Volcanic __ grounded thousands of passengers and fliers across Europe last year. 


11. Jeff got a perfect score on the test; he [   ] diligently.


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


13. 《John》: Sorry, my English is very poor. 《Jay》: Don’t worry. Mine is not [   ] better.


14. You are the leader of this team; therefore, you need to listen to your members’ ideas and write down [   ] points for later discussion.


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


16. [   ] working part-time at a fast-food restaurant, Monty has made enough money to pay for his studies.


17. The original model has been [   ] and replaced by the new one.


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


19. Newspapers are a good way to hear the news. [   ] TV news programs.


20. A:I’d like to know whether foreign banks earn less profit when they deal with small firms instead of large conglomerates. B:[   ] They earn more. A friend of mine told me so.


21. I only wish that all my lectures drew such favorable [   ] as this time.


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


23. In the face of energy crisis, scientists worldwide are now exploring [   ] energy to replace fossil fuels.


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


25. A: What do you usually do in your spare time? B: [   ]. I enjoy doing this especially after a stressful day.


26. A: Could you run over to the store? We need a few things. B: [   ] What do you want me to get? A: Well, could you pick up some sugar and a few oranges?


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


28. Tom is very [   ] and helpful, and it has been nice having him in class.


29. 《Ken》: Taxi! 《Driver》: Where would you like to go, sir? 《Ken》: [   ]


30. Among the things that money cannot buy [   ] good health in the mind and body.


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


32. As the project depends on [   ] at the federal level, the city and county may have to wait until the budget cutting ends.


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


34. The man spent so little time with his family __ his daughter didn’t even recognize him. 


35. The [   ] of this button is to make sure we can stop the machine if things go wrong.


36. John doesn’t speak French, and [   ].


37. [   ] everyone else was studying hard for the midterm, Jimmy was reading comic strips to kill the time.


38. I didn’t go to Taipei last week; I wish I [   ] there.


39. The congressman's first public speech was [   ]. The day after his speech, tens of thousands of people gathered in the capital to protest against his racist remarks.


40. The job of a dentist [   ] a lot of patience.


41. Most students think that there is a need to [   ] bus fare, but not all students agree to have the fare increased by 35 percent.


42. I saw Mary a week ago. She said she [   ] me the next day, but she didn’t.


43. Foreign-trained employees have to __ their learned skill-sets to the local market. 


44. Let’s [   ] jump to the conclusion, okay?


45. The [   ] of calcium may cause osteoporosis, and the patients may get bone fractures easily.


46. This contract is __ approval by both parties involved. 


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


48. Violence has become so [   ] in movies these days that many parents do not want their children to watch them.


49. We are so glad that Miss Snow is teaching [   ] English.


50. The shopping [   ] policy aimed to stimulate consumption in order to boost up droopy economy.