1. 《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.


2. __ activity should be avoided after an operation. 


3. We have been waiting for Jack for almost two hours. I wonder [   ].


4. Joseph is a man of great [   ]. Once he has made up his mind, no one can change it.


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


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


7. The jury [   ] the prisoner guilty.


8. 《Customer》: I’m looking for a portable CD player. 《Salesgirl》: [   ]《Customer》: Hmm. Do you have something a little less expensive?


9. With a big family to support, John has been [   ] trying to get a job for months, but has not found one yet.


10. I like all [   ] of music—pop music, country music, jazz and so on.


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


12. My uncle had a 15-year-long [   ] in business before he became a teacher.


13. The economy in that country is facing a severe slowdown and possibly a __ in the next few years. 


14. I read about the crime in the [   ].


15. Janine will probably lose her job [   ] her boss in front of the entire staff last week.


16. I was so hungry that I ate one cookie after [   ] until they were all gone.


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


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


19. The potential amount of energy that can be produced by wind is huge. It is [   ] five times the current amount of electricity that is used.


20. The coach, together with his team players, [   ] warmly welcomed when they got off the bus.


21. After the car accident, I kept [   ] that things will get better.


22. Many companies [   ] e-mails sent out by their employees. Is it OK for employers to check on their employees like this?


23. We don’t need to [   ] what the future will hold; just focus on the present task.


24. 《Jenny》: Where did you get your hair done? It looks so stylish. 《Lilly》: [   ] By the way, I highly recommend the hairstylist called Paul. 《Jenny》: Thanks. I’ll sure go take a look.


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


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


27. The knife isn’t useful because its [   ] is dull.


28. At Patty’s wedding, her mother made a few polite [   ] about her husband’s family.


29. I went to the store [   ].


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


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


32. It is a [   ] of law to ride a motorcycle without wearing a helmet.


33. Mary can't hear, and she can hardly speak [   ].


34. Working at your computer for a long time can [   ] pain in your wrists.


35. The manager insists that the door [   ] locked at night.


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


37. I remember you. You [   ] to go to school here.


38. 《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.


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


40. The freeway is now __ to motorists after it was blocked off by a huge landslide yesterday. 


41. A: Can you pass the test? B: [   ] A: Good for you. I’m very likely to fail.


42. Free Spirit Team will probably __ the speech contest as it is much better than our team. 


43. I sent an email to the CEO of this company last week but have not received any [   ] yet.


44. The dentist was ?lling a large [   ] in her tooth.


45. 《Sam》: What kept you so long? I’ve been waiting for an hour. 《Nancy》: [   ] 《Sam》: I hope we can catch the flight.


46. This child has been [   ] by his parents for a long time because they have been too busy working.


47. Research shows that only some animals are able to [   ] in the wild after being released from the zoo.


48. The president’s speech about the investment [   ] my own feelings.


49. A brake is a device designed to [   ] or stop the motion of a mechanical body.


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