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


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


3. __ activity should be avoided after an operation. 


4. Climbing unemployment rates and dropping job opportunities are huge __ to the new government. 


5. The convicted man [   ] against the judge's verdict because new evidence had proved his innocence.


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


7. Small businesses usually can respond to new market     fast and make necessary changes. 


8. 《Customer》: I’d like this one, please. 《Clerk》: [   ] 《Customer》: I’ll put it on my Best Card.


9. The Ministry of Finance announced tax [   ] for the victims of the 921 earthquake and of typhoon Toraji.


10. Of all the novels I’ve read, this one is __ interesting. 


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


12. 《Martin》: I did terribly at the math exam. I don’t think I will pass. 《James》: [   ] You’ve spent too much time playing the computer games lately.


13. The suppliers will claim compensation if we partially ____ our contract with them. 


14. A: Is the treasurer in his office every day? B:Oh yes. [   ] he must sign all checks, he must be here all the time.


15. We have to admit that everyone of us is more or less __ to some sort of superstition. 


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


17. He was an [   ] player until 20 when he turned professional.


18. Group registrations are not allowed. Each member must register for the conference    . 


19. The government hopes that the charge for trash disposal can [   ] people from throwing away usable resources.


20. 《Ken》:I have two tickets to the basketball game tonight. Would you like to go? 《Tim》: [   ]《Ken》: Why can’t you go? 《Tim》: I’ve got to hand in a 10-page report tomorrow morning and I’m still working on it.


21. To [   ] road accidents, we should always follow traffic rules.


22. Healthcare workers, pregnant women and children aged between 6 months and 6 years are set to be [   ] recipients of immunization vaccine against the H1N1 virus.


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


24. 《Susan》: I'm going to Tokyo on vacation next week. 《Alice》: Oh, how nice! [   ] 《Susan》: Thanks a lot.


25. The parrot used its strong [   ] to crack open the nuts.


26. We don’t need to __ what the future will hold; just focus on the present task. 


27. From a poor family, Joanna has never dreamed of studying abroad because she knows that it would [   ].


28. The city is going to hold a public hearing to discuss     the historical building should be torn down. 


29. The MRT system has greatly [   ] this area; I can’t even recognize the location of my old school.


30. Mary is never absent and always studies hard, so she [   ] as one of the excellent students in her class.


31. He went for an ocean voyage and __ his health. 


32. Mark has been recording his daily activities in his [   ] since he was 10.


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


34. The secretary was [   ] for work because of the heavy traffic.


35. Michael, as well as his two older brothers, [   ] the scholarship several times.


36. There is a risk that the longer people put off their work, [   ] it will eventually get done.


37. Tom’s desk was so ____ with papers that it was hard to find anything. 


38. We should work together [   ].


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


40. A: I love to look at the ancient art. B: [   ]We can learn a lot from them.


41. Mr. Chang is a very successful salesman; he is very aggressive and always takes the [   ] in his work.


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


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


44. If Judy [   ] so shy, she might have spoken to the man that she liked so much.


45. He moved to the countryside as soon as he retired. However, he found himself unable to [   ] to country life because it was not so convenient as living in the city.


46. After eleven o’clock in the evening, the bus is empty __ the driver and the conductor. 


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


48. Most of the people in my office want to stay [   ], so they exercise regularly.


49. A: How are you feeling today, Mr. Lin? B: [   ]. A:I see. Please sit back and open your mouth. Your throat is swollen, too. Do you have any other symptoms? B: I also had a terrible headache last night.


50. I don’t know [   ]. Why not call and ask him in person?