1. I have been taking the Yoga class [   ] I came to this school.


2. The government hopes that the charge for trash disposal can [   ] people from throwing away usable resources.


3. She can sing well and [   ]. That’s why her friends usually ask her to sing karaoke together.


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


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


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


7. [   ] for the sales in the first quarter may not necessarily be the final sales volume at the end of the quarter.


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


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


10. According to the new tax laws, your tax will increase [   ] your income. The more money you make, the higher your tax is going to be.


11. Mutual funds came into our country in recent years. This financial product was developed for those who do not have enough time, money and [   ] knowledge to invest.


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


13. A lot of heavy smokers [   ] lung cancer every year.


14. A: You look awful. What’s wrong? B:I can’t sleep well these days. I still have nightmares about the car accident. It’s really scary to know that your life is still at risk even when you follow the traffic rules. A:I understand how you feel. All I can say is that [   ].


15. 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.


16. You should always [   ] your opinions politely.


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


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


19. Simon is tall, but his brother is [   ] taller than him.


20. After working hard for a whole day, I suggested [   ] a big meal in a restaurant.


21. Many college graduates fight their way into the renown and     companies for better career advancement. 


22. Brian and Jerry are close friends [   ] their difference in age and religion.


23. The children could not help but [   ] when the clown stepped on the stage.


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


25. A spokesperson for the MOTC says that the “fat cat“ problem will be [   ] in the coming weeks in order to meet the expectations of the public.


26. Though unwilling to follow his father’s footsteps, Jason still [   ] the family business when his father passed away.


27. It was [   ] of you to let me use your cell phone. My parents felt less worried after they got my call.


28. The suppliers will claim compensation if we partially ____ our contract with them. 


29. Joy and happiness spread throughout the Middle East and North Africa, where people [   ] their own president in January 2011.


30. The jury [   ] the prisoner guilty.


31. Group registrations are not allowed. Each member must register for the conference    . 


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


33. After many years of moving, Daniel finally found a [   ] home in the Dublin suburbs.


34. You should understand that learning a language well results from [   ] practice.


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


36. A: Why did you feed that kitty? B:There is nothing [   ] a homeless cat.


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


38. John [   ] broke his glasses while playing basketball with his classmates. He should have been more careful.


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


40. A single bacteria, [   ] the right conditions, divides rapidly into colonies of billions in one day.


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


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


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


44. Tom comes from a wealthy family, but John does not. In spite of their different [   ], they have become best friends.


45. High school students in Taiwan often [   ] that preparing for tests keeps them from having enough sleep.


46. A: [   ] B:What sorts of thing?


47. When she [   ] in track-and-field events in the 1960 Olympics, Wilma Rudolph won three gold medals.


48. No other girl in her class dances [   ] as she does.


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


50. 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.