1. A:How nice to meet you again, Ms. Wu. B: [   ]


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


3. You should always [   ] your opinions politely.


4. I want to see [   ].


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


6. Children like to go trick-or-treating in special     on Halloween. Some may dress like an angel or a robot. 


7. If you are not sure about the meaning, you should [   ] the word in the dictionary.


8. You don't want to go to the party, [   ]? You look very sleepy.


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


10. We have been [   ] of the law firm for many years and are satisfied with the legal services provided.


11. A: Oh! You look terrible. [   ] B:I just finished my paper and I didn’t get a wink of sleep last night.


12. 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.


13. Due to the winter storm, hundreds of flights were [   ] and many passengers had to stay in airports.


14. If I were you, I would purchase more insurance, just for your own [   ].


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


16. George Washington [   ] his father’s cherry-tree.


17. In the face of energy crisis, scientists worldwide are now exploring ____ energy to replace fossil fuels. 


18. Tom’s desk was so [   ] with papers that it was hard to find anything.


19. Tammy often [   ] music from the Internet to her MP3 player.


20. Defined most broadly, folklore includes all the customs, beliefs, and traditions that people have __ from generation to generation. 


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


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


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


24. I was [   ] about Mary so I watched her closely.


25. He decided to continue the exhausting training for the Olympics, __ his physical condition was poor. 


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


27. The Review Board could be considering ____ the grants given to several non-governmental organizations. 


28. My twin sister’s values have [   ] so much over the years that we are no longer compatible.


29. Some plants have obvious distinctive features for us to tell them apart at the first sight, [   ].


30. 《Friend A》: Look at this. I think I want to get this purple skirt. 《Friend B》: I thought [   ].《Friend A》: Yeah, but I don’t have a purple one. 《Friend B》: Do you need every color in the rainbow?《Friend A》: Yes!


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


32. The luxury tax is set to [   ] on July 1, but it has already dampened enthusiasm in the real estate market.


33. Michelle would certainly have attended advisory board meeting __ on the highway. 


34. My family’s newest [   ] is a print shop in Taipei.


35. It was really a [   ] for the little boy to survive the air crash.


36. A student's frequent absence from school is often a clear [   ] of his problem in life and study.


37. Steve was [   ] with joy when he found he had won the first prize in the lottery.


38. Janet put forward the proposal that the program [   ] until Mr. Brian Reynolds came back from abroad.


39. I’m not [   ] you! Our team has just won both the gold medal and the silver medal.


40. Not until Toyota debuted the model Prius in the late 1990s ____ the technology of hybrid engine. 


41. In order to make the project work,     between different departments is the key. 


42. More advances in technology [   ] in the last decade than in any other time in human history.


43. The approaching typhoon forced the organizer     the game. 


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


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


46. Acid rain causes the ground to release [   ] substances; plants and trees are thus slowly poisoned.


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


48. The exact number of the audience is still unknown, but it is [   ] that there are around 10,000 people in the theater right now.


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


50. The police have suspected him of involvement in the suicide bombing but there is no [   ] evidence to arrest him.