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


2. I want to see [   ].


3. A:I have told you a thousand times to clean up the mess in your room. B: [   ]. A: I would like to hear about it. B: My littered desk and floor show that I am embarking on creative work. I don’t see the necessity of investing all my time to clean things up


4. All of my friends were opposed [   ] a party without Mary and John.


5. We don’t need to __ what the future will hold; just focus on the present task. 


6. I was browsing in the library and __ an interesting book on traveling in Alaska. 


7. Many schools no longer ask students to wear [   ] nowadays.


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


9. His corruption as a government employer has put a [   ] on his long-standing reputation.


10. According to our justice system, the suspect will be considered [   ] until proven guilty.


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


12. The jury [   ] the prisoner guilty.


13. His novel was [   ] by all the major publishers. Finally, a small publisher printed it and it became a best seller.


14. Volcanic __ grounded thousands of passengers and fliers across Europe last year. 


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


16. Can you [   ] how old Ms. Wang is? She is 50, but she looks as if she were only 30.


17. Any revision of the law should be [   ] with the overall goal of the government's policy. The priority should be placed on the welfare of the citizens.


18. Natural disasters, such as typhoons and [   ], kill lots of people each year.


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


20. 《Mary》: We were too late for the concert! 《Tom》: [   ] It wasn’t very good anyway.


21. In the box [   ] some photos that I took when I was on the trip.


22. Janet put forward the proposal that the program __ until Mr. Brian Reynolds came back from abroad. 


23. A thorough analysis of market ____ can increase the success rate of a new product. 


24. Many journalists do not [   ] whether or not it is appropriate to interview a child during a tragic event for he/she is usually too young to understand the trauma he/she is involved in.


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


26. It seemed that the walls    . 


27. Many ads use our __—like fear or love—to persuade us that we need the product. 


28. The freeway is now __ to motorists after it was blocked off by a huge landslide yesterday. 


29. I had a great time reading the book [   ] you lent me.


30. 《Woman》: May I speak to Mr. Smith? 《Man》: [   ]《Woman》: Never mind. I will call him again later this afternoon.


31. The congressmen have reached a [   ] that smoking should be banned within thirty feet from the entrance of a building.


32. She looked immensely [   ] when she learned that her son had survived the crash.


33. The social welfare system ____ provide the underprivileged people with sufficient support. 


34. The government is figuring out ways to maintain our economic [   ] so that the unemployment rate will go down.


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


36. My mother always says we should think things through before [   ] anything.


37. 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 [   ].


38. Soon after they were born, most babies will develop a daily [   ] of eating and sleeping.


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


40. Little kids begin learning their mother tongue by [   ] what they hear around them.


41. Jenny was brought up in a poor family. She had to [   ] her free time to baby-sit her neighbor’s 2-year-old boy to pay for her high school education.


42. The economy in that country is facing a severe slowdown and possibly a [   ] in the next few years.


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


44. It is essential that officials at all levels of government refuse to accept [   ] from business interests.


45. A:Good afternoon, Great Western Restaurant. This is Steven. How may I help you? B: I would like to make a reservation. A: Certainly, Madam. For what [   ]?   B: September 8th.


46. Not only [   ] most male birds have extremely beautiful feathers, they know how to use them.


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


48. I am looking forward to [   ] from you at your earliest convenience.


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


50. The shopping [   ] policy aimed to stimulate consumption in order to boost up droopy economy.