1. After being bitten by a [   ] snake, John was sent to a hospital.


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


3. Has the contest already [   ]?


4. English is important in Taiwan, [   ] for business people.


5. Keep the [   ] card after you buy some appliances. You need to show it if repairs are necessary.


6. This contract is [   ] approval by both parties involved.


7. The joke you told me really [   ].


8. A:Hey, Paul. I see you walking lame all the way. [   ]? B:Nothing. I just sprained my ankle while playing basketball the day before yesterday.


9. Jack [   ] to help clean the classroom after school. Everybody is surprised because he is usually very lazy.


10. The label on the canned pork says this product is [   ] to be free of preservatives.


11. 《Customer》: I’d like this one, please. 《Clerk》: [   ] 《Customer》: I’ll put it on my Best Card.


12. Don’t ask me to go with you. I’m not going, because my [   ] is made up.


13. Mary likes her job, [   ]?


14. [   ], I didn’t like Susie, but then I found she was a nice girl. Now we’re good friends.


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


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


17. I think thunder is scary, [   ] lightning is beautiful.


18. 《Man》: Officer! Wait, officer! That’s my car! 《Police》: Oh, it is? Then I won’t need a tow truck. 《Man》: No! [   ]《Police》: Good. It’s illegal to park beside a fire hydrant.


19. Among the things that money cannot buy [   ] good health in the mind and body.


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


21. The average was down [   ], went briefly into the black around lunchtime, then ended with a loss of 139.


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


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


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


25. The police arrested the suspect, but in the absence of [   ] he was set free soon.


26. I like to [   ] time [   ] my family.


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


28. A:How nice to meet you again, Ms. Wu. B: [   ]


29. Climbing unemployment rates and dropping job opportunities are huge __ to the new government. 


30. The Ministry of Finance announced tax [   ] for the victims of the 921 earthquake and of typhoon Toraji.


31. Not only the assistant managers but also the secretary [   ] that the company is failing.


32. There is a debate going on right now over [   ] to make mercy killing legal or not.


33. Many people in the U.S. are staying away from restaurants, skipping vacations and [   ] on buying new cars.


34. That old man has no family, so he sometimes gets very, very [   ].


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


36. The traffic accident resulted from the [   ] of the traffic laws.


37. 《John》: How often do you exercise? 《Amy》: [   ] 《John》: That’s great. No wonder you keep in good shape.


38. It is true that the surroundings will [   ] one’s work and studies.


39. Just look at how much we [   ] when we worked together last week.


40. I haven’t decided when I’m [   ] New York. I’ll let you know once I get the flight ticket.


41. I might have the chance to visit the theater [   ] person.


42. 《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.


43. Cultures [   ], so we sometimes need to adjust our behavior when we are in a new country.


44. I’m not [   ] you! Our team has just won both the gold medal and the silver medal.


45. Accounting is a profession [   ] has always interested me.


46. In the United States, air pollution [   ] at its worst in the 1960s.


47. Which fruit is this country famous for, bananas or [   ] ?


48. [   ] the development of human civilization, it is plain to see that human beings are easily corrupted by power.


49. Many expressive people can recall     colorful childhoods; singer Carly Simon, comedian Billy Crystal, and poet Nikki Giovanni     their parents with involving them with richly creative experiences. 


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