1. The twins look so alike that even their parents confuse one with [   ] sometimes.


2. Before the final exam, our teacher taught us how to use our time [   ] while preparing for tests.


3. A fine will be     on the drivers who fail to pay their highway toll on time. 


4. [   ], I didn’t like Susie, but then I found she was a nice girl. Now we’re good friends.


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


6. Many couples wanted a divorce but could not have one because their case was not covered by any __. 


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


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


9. [   ] are those who act in contradiction to their stated beliefs or feelings.


10. [   ] I did not like her at first, she ended up becoming my best friend.


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


12. The mayor determined to build a [   ] city. By then, users can get access to the Internet at any time and any place in the city.


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


14. Two years ago a severe earthquake struck the city and caused a [   ] tsunami, leaving hundreds dead, thousands injured.


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


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


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


18. Do you think it good for students to be absolutely [   ] without making any objections in any case?


19. You must keep [   ] whatever your boss tells you to do, or you may be fired.


20. __ activity should be avoided after an operation. 


21. The patient appreciated [   ] breakfast in bed when she wasn’t feeling well.


22. For the sake of health, many people have dramatically reduced the amount of red meat they [   ].


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


24. No other girl in her class dances [   ] as she does.


25. To see is    . 


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


27. The escaping criminal [   ] himself as an old security guard, so the police failed to recognize him at first sight.


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


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


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


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


32. Old soldiers never die; they only __. 


33. This contract is [   ] approval by both parties involved.


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


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


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


37. There is only a little juice left in the [   ].


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


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


40. Please fill out the paperwork before [   ] in line.


41. 《Woman》: May I speak to Mr. Smith? 《Man》: [   ]《Woman》: Never mind. I will call him again later this afternoon.


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


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


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


45. As he had grown up in the country, he was not [   ] to the fast pace of the city life when he first moved to Taipei.


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


47. You could not [   ] all of your readings the night before the exam. You had better start to prepare for the test at least a week earlier.


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


49. It is hard for me to [   ] the smell of Chanel No. 5 perfume.


50. At busy intersections, [   ] should cross the street via underground passages.