1. Las Vegas is a tourist [   ]. It's a must-go place for visitors who go to the U.S. for vacation.


2. I bought a book and finished reading it [   ] I was on the train. The reading made the long-hour trip easier.


3. Gorillas are [   ] the best communicators of all animals.


4. The museum’s main hall [   ] an enormous book, and its restaurant looks like a big cake.


5. The washing machine is not working properly. I have to get it [   ].


6. It was really a [   ] for the little boy to survive the air crash.


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


8. He decided to continue the exhausting training for the Olympics, [   ] his physical condition was poor.


9. The driver was driving her car and reading a text message, and that was exactly [   ] she bumped into the motorcyclist.


10. 《Sam》: Would you like to go swimming with me? 《Jane》: [   ]   I think I’m getting a cold.


11. The athletes are getting in shape for the big [   ] next month.


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


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


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


15. The key players in the energy market, [   ] heavy capital investment, have little interest in innovation.


16. The window [   ] by my little brother yesterday.


17. Nancy screamed when she saw a taxi [   ] into an old woman on the street.


18. Peggy has a big advantage [   ] most girls when it comes to basketball because she’s so tall.


19. Research in the environment has [   ] that the rain forests throughout the world are being ruthlessly destroyed.


20. My mother [   ] for me when I arrived home last night.


21. Old soldiers never die; they only [   ].


22. A brand brings a set of [   ] in the mind of the consumer and one of these is the country of origin.


23. A study shows that intelligence accounts for only 20 percent of the factors that determine success, __ EQ playing an important role in the remaining 80 percent. 


24. I remember [   ] the movie with Tom last year. It is very good.


25. __, I cannot agree with him on the matter. 


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


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


28. The economy is in bad shape, one reason for which is the rising [   ] rate.


29. Athletes always wear clothes made of [   ] materials, so they may stretch their bodies without difficulty.


30. The exterior of Tina's apartment has an exceptionally large [   ].


31. Paul was charged with [   ] driving after he was arrested for running over an old man.


32. The total number of the [   ] people in that remote area is decreasing.


33. How much do you guess [   ]?


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


35. Free Spirit Team will probably [   ] the speech contest as it is much better than our team.


36. Snow [   ] more solar radiation than liquid water. Therefore, don’t forget to protect your eyes when you go skiing.


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


38. People who feel they must have the best of everything are rarely [   ]. It’s better to have more realistic ideas about what is important in life.


39. Though it is too early to say whether the storm will make [   ] in Taiwan, it is predicted heavy rain for northern and eastern parts of the island over the coming days.


40. The cars are moving so slowly that I can [   ] them just by walking fast.


41. A [   ] has four corners.


42. A cat got into the kennel last night and created a tremendous [   ].


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


44. Natural disasters, such as typhoons and [   ], kill lots of people each year.


45. All branch stores are required to fill out the [   ] report to check if there is enough merchandise on shelf and in stock.


46. My twin sister’s values have [   ] so much over the years that we are no longer compatible.


47. I only wish that all my lectures drew such favorable [   ] as this time.


48. The congressman's first public speech was [   ]. The day after his speech, tens of thousands of people gathered in the capital to protest against his racist remarks.


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


50. Little kids begin learning their mother tongue by [   ] what they hear around them.