1. George Washington [   ] his father’s cherry-tree.


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


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


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


5. You can’t master English overnight! Remember that speaking it well [   ] a lot of practice.


6. The economy in that country is facing a severe slowdown and possibly a __ in the next few years. 


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


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


9. Many companies [   ] e-mails sent out by their employees. Is it OK for employers to check on their employees like this?


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


11. The flooding after the typhoon [   ] many houses.


12. The workers have decided to [   ] with their employers about their wage claims.


13. The snow [   ] on the roads makes driving an extreme hazard for people rushing to work in the morning.


14. A: Is the treasurer in his office every day? B:Oh yes. [   ] he must sign all checks, he must be here all the time.


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


16. Although the farmers had to work in the mud, they were all pleased, [   ] the rain had come in the nick of time.


17. [   ] the doctor’s warning, he still worked overtime to earn a living.


18. At first I didn’t find her annoying, but after a while her behavior began to [   ] me.


19. A:My goodness! There are so many people waiting outside! B: [   ] A: Maybe we should just go to another restaurant. Looks like it will take forever to go get in. B: That’s a good idea.


20. I don’t know [   ]of the people in this room. Can you introduce each of them to me?


21. No matter what the [   ] will be like tomorrow, I’ll go fishing.


22. A:Don’t forget you still owe me fifty dollars. B: [   ]


23. I [   ] know him. I have talked to him no more than three times.


24. Due to the winter storm, hundreds of flights were [   ] and many passengers had to stay in airports.


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


26. 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.


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


28. The jury [   ] the prisoner guilty.


29. Tina plans to [   ] children in a remote school in the mountains after college.


30. Has the contest already [   ]?


31. For many people, one of the joys of __ is the prospect of parenthood. 


32. Critics have suggested that the Neihu-Mucha MRT line [   ] during the 21st Summer Deaflympics in Taipei.


33. Mr. Johnson rarely gets upset in the office,    ? 


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


35. I read about the crime in the [   ].


36. Our boss [   ] the importance of our finishing the report over the weekend, since he wanted to discuss it at the meeting on Monday morning.


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


38. Many couples wanted a divorce but could not have one because their case was not covered by any __. 


39. To have her own clothing store, Jane borrowed money from family members to get her business [   ].


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


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


42. Do you have [   ] for one thousand dollars?


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


44. Acid rain causes the ground to release [   ] substances; plants and trees are thus slowly poisoned.


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


46. The suppliers will claim compensation if we partially [   ] our contract with them.


47. A brake is a device designed to [   ] or stop the motion of a mechanical body.


48. It seemed that the walls    . 


49. You [   ] your father the truth then. That way, he wouldn't be so angry with you now.


50. The piano is one of the most popular musical [   ] today.