1. To prevent sewage from entering the waterways and protect public health, the city councilman strongly demanded that the sewage system [   ] in three months.


2. The National Palace Museum will continue to cooperate with Beijing's Palace Museum [   ] will not loan artifacts to China.


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


4. Gorillas are __ the best communicators of all animals. 


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


6. It's getting late. Let's [   ].


7. I am very thirsty. May I have some more [   ]?


8. Do you think it good for students to be absolutely [   ] without making any objections in any case?


9. What can you tell me about [   ] the subway in Tokyo?


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


11. George suffered very serious brain [   ] in a car accident.


12. 《John》: Sorry, my English is very poor. 《Jay》: Don’t worry. Mine is not [   ] better.


13. This restaurant makes good sandwiches. They will even [   ] your bread for free.


14. A friend of [   ] is coming to stay with me next week.


15. Many portable products are made as     as possible for user’s ease to carry. 


16. Jane got a high score on the English test today. She [   ] very hard last night.


17. The government should take measures to control the growing [   ]. Food prices have gone up sharply recently.


18. The man spent so little time with his family [   ] his daughter didn’t even recognize him.


19. There were hundreds of [   ] at this ball game.


20.     the CEO walked into the conference room, all department managers became very nervous. 


21. The manager talks as if he     mad at you, but this is just the way he talks to everybody. 


22. Mary likes her job, [   ]?


23. U.S. Secretary of State Hillary Clinton said on Saturday the United States and China can help pull the world out of economic [   ] by working together.


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


25. 《Saleslady》: Hi, can I help you? George: No, thanks. [   ] 《Saleslady》: All right. If you need any help, just let me know. My name is Joyce. 《George》: Sure. I’ll let you know if I need anything.


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


27. I’d like to take [   ] of this opportunity to thank you all for your co-operation.


28. 《Doris》: Did you sleep well last night? 《Jennifer》:No, I had an awful night. [   ] in the middle of the night, and couldn't get back to sleep.


29. If Sonia [   ] sorry for being late, she’d have apologized to me by now.


30. Not only __ most male birds have extremely beautiful feathers, they know how to use them. 


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


32. Reading detective stories is one of Steve’s favorite [   ].


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


34. Steve was [   ] with joy when he found he had won the first prize in the lottery.


35. In this course, the economic background of labor legislation will not be mentioned, [   ] be dealt with.


36. A: What are you doing this weekend, Emma? B: [   ]


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


38. You cannot leave [   ] you finish all the work the boss expects you to do.


39. You could not [   ] all of your readings the night before the exam. You had better start to prepare for the test at least a week earlier.


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


41. The freeway is now [   ] to motorists after it was blocked off by a huge landslide yesterday.


42. 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. 


43. We could have gone swimming if the weather [   ] warm and sunny.


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


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


46. A:Did the committee members ask you many questions in your thesis defense? B: [   ]. I am not optimistic about the result of the defense.


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


48. He hurt his leg while climbing the mountain; [   ], he would have participated in the charity event to raise money for the poor.


49. The mayor determined to build a [   ] city. By then, users can get access to the Internet at any time and any place in the city.


50. There is a risk that the longer people put off their work, __ it will eventually get done.