1. Remember to tie your cow [   ] the tree before you go there


2. The [   ] earthquake has buried over 18,000 lives in southwestern China’s Sichuan province.


3. The factory workers [   ] that their workload was too heavy but the pay was too low. They decided to stage a protest.


4. ____ for the sales in the first quarter may not necessarily be the final sales volume at the end of the quarter. 


5. Since Michael and I work in the same hospital, I can hardly avoid [   ] him.


6. Children like to go trick-or-treating in special     on Halloween. Some may dress like an angel or a robot. 


7. In the past year I have developed an important relationship with my [   ].


8. He bought a car right after he obtained a driver's [   ].


9. I have fallen in love with a girl [   ] father is a famous writer.


10. Most people like to talk about the subjects with [   ] they are most familiar.


11. Old soldiers never die; they only __. 


12. He decided to continue the exhausting training for the Olympics, __ his physical condition was poor. 


13. Has the contest already [   ]?


14. When we receive text messages of promotions from a company, we must be ____ of possible false advertisement out of which the company wants to make profit.  


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


16. A:I can’t get into my favorite jeans anymore. It’s really depressing. [   ]. B:Well, I think you look fine. You shouldn’t worry about it.


17. The controversial singer must [   ] 100 hours of community service for altering the age on his ID card.


18. I [   ] use a payphone. I just use my cellphone instead.


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


20. I [   ] out a document when my boss walked into the office.


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


22. 《Tom》:I’m going to take a singing class. Do you want to take it with me? 《Penny》: [   ]《Tom》: Really? Sing a song for me now.


23. In the face of energy crisis, scientists worldwide are now exploring ____ energy to replace fossil fuels. 


24. A thorough analysis of market [   ] can increase the success rate of a new product.


25. Tom’s colleagues threw a [   ] party for him the day before he officially retired. They wanted to show how much they would miss him.


26. 《Nicole》: Do you have any plans for tomorrow, Alison? 《Alison》: [   ]《Nicole》: Let’s go shopping!


27. Please do not hesitate [   ] me if you have any questions.


28. Of all the novels I’ve read, this one is __ interesting. 


29. Kate lost her way while driving to River City. She [   ] her road map at home.


30. There is a risk that the longer people put off their work, [   ] it will eventually get done.


31. According to the health official, the rate of increasing number of cases is not beyond [   ] is expected and the symptoms of all the patients are mild.


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


33. After the earthquake, the government has taken steps to [   ] the losses.


34. [   ] the family income, the Chang's could afford to buy a new car.


35. Employees are required to follow the standard operating procedures and to act ____. 


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


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


38. [   ] in 1952, the MIT Sloan School of Management is one of the world’s most prestigious business school.


39. Parents should have [   ] rules for their children. These rules should not change according to parents’ mood.


40. The approaching typhoon forced the organizer     the game. 


41. [   ] warming has caused dramatic climatic changes in many areas around the world.


42. How much do you guess [   ]?


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


44. We have to admit that everyone of us is more or less [   ] to some sort of superstition.


45. 《Sylvia》: What's your favorite season? 《Amy》: [   ] 《Sylvia》: Me too. I hate cold winter days.


46.     English, many Chinese classical novels gain attention and popularity in the US. 


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


48. He is a very conscientious professor. Never [   ] he let his students leave his classes earlier.


49. Could you please tell me [   ]?


50. We still haven't got used to [   ] in the hot and humid city after these many years.