1. Many couples wanted a divorce but could not have one because their case was not covered by any [   ].


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


3. 《Tom》:I’m going to take a singing class. Do you want to take it with me? 《Penny》: [   ]《Tom》: Really? Sing a song for me now.


4. Oil and natural gas exist on this planet in a limited supply; therefore, it is essential for people to develop [   ] to these nonrenewable energy sources.


5. The traffic accident resulted from the [   ] of the traffic laws.


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


7. The [   ] earthquake has buried over 18,000 lives in southwestern China’s Sichuan province.


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


9. Nancy screamed when she saw a taxi [   ] into an old woman on the street.


10. That is my [   ] favorite restaurant. The service is bad and the food doesn't taste good.


11. [   ] and blurred, it is extremely difficult to recover his sight.


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


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


14. The female singer A-Mei, also known as Amit, is ________ to millions of people in Asia.


15. The exterior of Tina's apartment has an exceptionally large [   ].


16. Defined most broadly, folklore includes all the customs, beliefs, and traditions that people have [   ] from generation to generation.


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


18. Imagine [   ] an extra day off this weekend. That would be great.


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


20. Oscar doesn’t like to watch baseball games. [   ] does his twin brother.


21. A: Can you do me a favor? B: [   ] A: Please return this book to the library for me. It’s due today.


22. I suggest you [   ] the Internet because a lot of people have experienced the same problem before.


23. Peggy has a big advantage [   ] most girls when it comes to basketball because she’s so tall.


24. Michelle would certainly have attended advisory board meeting [   ] on the highway.


25. [   ], I continued working until late last night.


26. [   ] before the twentieth century, traders carried coffee from Africa to Arabia.


27. [   ] she told me I was her good friend, she never talked to me about her problems.


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


29. The [   ] you work, the [   ] you will succeed.


30. Linda is an [   ] friend of mine; there is no secret between us, and we always share our happiness and sorrow.


31. If Sonia [   ] sorry for being late, she’d have apologized to me by now.


32. A laptop, an MP3 player, and a cellphone are often considered as [   ] equipment for the generation raised in the age of technology.


33. That old man has no family, so he sometimes gets very, very [   ].


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


35. Ever since childhood, Marnette had always wished she [   ].


36. I don’t know [   ]of the people in this room. Can you introduce each of them to me?


37. The search engine gives the user easy [   ] to the required information.


38. Simon is tall, but his brother is [   ] taller than him.


39. The approaching typhoon forced the organizer     the game. 


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


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


42. The field is too barren to yield crops, so the farmers decide to put some [   ] on it.


43. This Italian restaurant is the [   ] place to eat in the city.


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


45. Many expressive people can recall     colorful childhoods; singer Carly Simon, comedian Billy Crystal, and poet Nikki Giovanni     their parents with involving them with richly creative experiences. 


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


47. 《Clerk》: Can I help you, Sir? 《David》: Yes. I want to buy a pair of jeans, Size L. 《Clerk》: I have several in your size. [   ]《David》: Yes, of course.


48. As __ as it had started, the rain stopped and the sun came out from the blue sky. 


49. We can always work toward improving our self-control, and, __, we can help others do the same. 


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