1. Historical insights serve to clarify and [   ] the critical activity of a period.


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


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


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


5. 《Andre》:Oh, man! Nobody can stand this kind of scorching heat. 《Kevin》:[   ] You can’t even stay in the sun for five minutes. 《Andre》: You’ll be scorched like a shriveled plant. Anyway, I guess this afternoon there’s nothing we can do but stay home. 《Kevin》:I guess so. I don’t want to be taken to the hospital for heat exhaustion or sunstroke.


6. Most bookstores have a section for young readers, [   ] you’ll find books stacked on tables and shelves just like in the library.


7. A: Can you visit us in New York over Christmas? B: I really want to, but I don’t think I can. A: [   ]. What’s the problem?


8. The food critic was famous for [   ] chefs that didn't give him complimentary dinner.


9. The girl Frank likes has said no to him, so he has no choice but to take [   ] wants to go with him to the party.


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


11. The production of bread mainly includes the [   ] such as flour, sugar and eggs.


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


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


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


15. A:My goodness! There are so many people waiting outside! B: [   ] A: Maybe we should just go to another restaurant. Looks like it will take forever to go get in. B: That’s a good idea.


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


17. A:Good morning, traveler’s check department. B:I’ve lost my traveler’s checks. I want to stop payment. A: [   ] Your name, please.


18. The power supply in this area is not [   ]. You had better save your file every ten minutes.


19.     I read the proposal     the budget was so high. 


20. A:Hi, John. How’re you doing today? B: [   ]


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


22. Tina plans to [   ] children in a remote school in the mountains after college.


23. John [   ] broke his glasses while playing basketball with his classmates. He should have been more careful.


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


25. This Italian restaurant is the [   ] place to eat in the city.


26. As __ as it had started, the rain stopped and the sun came out from the blue sky. 


27. A:Good afternoon, Great Western Restaurant. This is Steven. How may I help you? B: I would like to make a reservation. A: Certainly, Madam. For what [   ]?   B: September 8th.


28. Jim is very [   ] and dynamic; he enjoys physical activities and you can seldom see him stay still for more than ten minutes.


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


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


31. Many ads use our __—like fear or love—to persuade us that we need the product. 


32. The shopping [   ] policy aimed to stimulate consumption in order to boost up droopy economy.


33. 《Lily》: I heard you’re moving to New York. 《Brian》: Yes. I’ve got an offer in upstate New York. 《Lily》: Oh, that’s great! But I’m going to miss you. 《Brian》: Me, too. [   ]


34. Having published many important papers, he enjoys a high [   ] as a scholar.


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


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


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


38. [   ], they would not have solved their financial problem.


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


40. The main thing that makes mobile phones [   ] harmful is radiation.


41. China is calling for a new global currency [   ] the dominant dollar.


42. Critics have suggested that the Neihu-Mucha MRT line [   ] during the 21st Summer Deaflympics in Taipei.


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


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


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


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


47. Volcanic [   ] grounded thousands of passengers and fliers across Europe last year.


48. You are the leader of this team; therefore, you need to listen to your members’ ideas and write down [   ] points for later discussion.


49. 《Tom》: Are you free tonight? 《Cathy》: [   ]《Tom》: Too bad. I was thinking maybe we could go see a movie tonight.


50. In India, eighty percent of the entire [   ] are Hindus.