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


2. __ the election is the question both political parties are asking. 


3. [   ] your dreams come true, you need to work harder.


4. No city, Tel Aviv or Jerusalem __, is home to more Jewish people than New York. 


5. ____ you encounter any problems regarding the new system, please notify the tech support ASAP. 


6. I will attend Mr. Wang’s wedding [   ] my father, who has gone to Hong Kong on business.


7. The book costs NT$1,200, __ of packing and delivery. 


8. The Dalai Lama arrived in Taiwan last night for a six-day visit to [   ] victims of Typhoon Morakot.


9. The audience enthusiastically [   ] the pianist on her amazing performance.


10. A: What are you doing this weekend, Emma? B: [   ]


11. Major newspapers have their Internet websites [   ] daily, so their readers can get the latest information.


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


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


14. The workers have decided to [   ] with their employers about their wage claims.


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


16. He went for an ocean voyage and [   ] his health.


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


18. Many ads use our [   ]—like fear or love—to persuade us that we need the product.


19. Advertising is distinguished from other forms of communication [   ] the advertiser pays for the message to be delivered.


20. The [   ] from the top of Mt. Kilimanjaro is amazing.


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


22. We could have gone swimming if the weather [   ] warm and sunny.


23. When the pop idol came to Taiwan, swarms of fans crowded the street outside the hotel, waiting for a [   ] of their hero.


24. 《Student A》: Excuse me. What is the time? 《Student B》: [   ]


25. I went to the store [   ].


26. The Review Board could be considering [   ] the grants given to several non-governmental organizations.


27. The local farmers are looking to advanced agriculture as better protection from foreign [   ] after Taiwan joins the WTO.


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


29. Neither the teacher nor his students [   ] in the classroom last night.


30. The social welfare system ____ provide the underprivileged people with sufficient support. 


31. He speaks English poorly. He can’t make himself [   ] in English.


32. [   ] month of the year in Taiwan is usually December or January.


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


34. In the United States, air pollution [   ] at its worst in the 1960s.


35. It is essential that officials at all levels of government refuse to accept [   ] from business interests.


36. My grandfather [   ] for ten years, but I still miss him a lot.


37. My sister knows many passages from Shakespeare [   ]; she can memorize the details of his plays.


38. The nurse supported the sick child because he was too weak [   ] by himself.


39. Many of our character traits are not tested [   ] we are in a difficult situation.


40. Sherlock Holmes [   ] smoke in the air and assumed the killer had not left for too long.


41. My father and his partners’ cooperation is based upon their [   ] respect and understanding.


42. All employees are required not to discuss     information about the company. 


43. I was browsing in the library and [   ] an interesting book on traveling in Alaska.


44. Employees are required to follow the standard operating procedures and to act [   ].


45. The man spent so little time with his family [   ] his daughter didn’t even recognize him.


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


47. As [   ] as it had started, the rain stopped and the sun came out from the blue sky.


48. If you [   ] that HBO movie last night, you wouldn’t be so drowsy now.


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


50. I had planned on going out last night, but [   ] prevented it.