1. Tigers are a(n) [   ] species, but they are still hunted for their bones and skins in some areas.


2. I [   ] the floor when the earthquake occurred late last night.


3. Not until Toyota debuted the model Prius in the late 1990s ____ the technology of hybrid engine. 


4. 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.


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


6. The minister went to Hong Kong to attend the conference [   ] our government.


7. We can always work toward improving our self-control, and, [   ], we can help others do the same.


8. The economy in that country is facing a severe slowdown and possibly a [   ] in the next few years.


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


10. A [   ] of food can cause millions of people to die of hunger.


11. 《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.


12. A:May I ask what kind of work you are doing? B:I am working for the auditing department of the City Government. A: [   ] B:Yes, she works as a high-school teacher.


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


14. She can sing well and [   ]. That’s why her friends usually ask her to sing karaoke together.


15. Since being slim is the trend, Margaret is trying to lose weight by [   ] herself.


16. A: Quiet down, or you may disturb the neighbors. B: [   ]


17. 《Linda》: Alex, it’s your turn to do the dishes, isn’t it? 《Alex》: [   ]《Linda》: You know very well that I did the dishes last night.


18. No city, Tel Aviv or Jerusalem [   ], is home to more Jewish people than New York.


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


20. Cheating in exams is a serious [   ] of the school regulations.


21. I just learned that Tivoli Gardens in Copenhagen, Denmark was the ____ for the original Disneyland in L.A., California.  


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


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


24. A: [   ] B:He’s a salesman.


25. A:What should we do now? B: [   ]


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


27. Sara felt [   ] tired [   ] exercise yesterday.


28. When traveling around the world, a person must [   ] eating different types of food.


29. The good weather and beautiful beaches make this island a great [   ] attraction.


30. I can’t ride my bicycle [   ] there isn’t any air in one of the tires.


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


32. Although experts agree that it is vital to eat a good breakfast, not many people are [   ] their advice.


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


34. The FDA planned to grant [   ] to clinical trial testing the use of the new drug.


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


36. Hotel guests who [   ] checking out after 1:00 P.M. should contact the front desk.


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


38. Dr. Wilson, __ is the CEO of the company, will be here to give a speech at the opening ceremony next week. 


39. A: Could you run over to the store? We need a few things. B: [   ] What do you want me to get? A: Well, could you pick up some sugar and a few oranges?


40. I suggest you [   ] the Internet because a lot of people have experienced the same problem before.


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


42. A:I am going absolutely crazy without my mobile phone. It’s been three days and I still haven’t found it. It’s my lifeline. B: [   ]. I don’t know why you are so dependent on it. I don’t have a mobile phone and I am doing just fine.


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


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


45. High school students in Taiwan often [   ] that preparing for tests keeps them from having enough sleep.


46. What is an instrument which is used to see things far away?


47. You like this movie, and [   ].


48. The [   ] of calcium may cause osteoporosis, and the patients may get bone fractures easily.


49. A few political extremists ____ the crowd to attack the police. 


50. You should understand that learning a language well results from [   ] practice.