1. Volcanic [   ] grounded thousands of passengers and fliers across Europe last year.


2. In the previous year, you [   ] ballpoint pens and pocket calendars to my school. Will you do the same this year?


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


4. 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


5. The approaching typhoon forced the organizer     the game. 


6. 《Ken》: Taxi! 《Driver》: Where would you like to go, sir? 《Ken》: [   ]


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


8. Robert can’t drive us to the airport. He has [   ] to take us all.


9. We could have gone swimming if the weather [   ] warm and sunny.


10. Nowadays, many industries try to do something for     problems. They know the earth is greatly damaged by pollutants. 


11. Gardening is my mother's favorite [   ]. She loves to spend time taking care of the flowers.


12. 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.  


13. You could not [   ] all of your readings the night before the exam. You had better start to prepare for the test at least a week earlier.


14. In this course, the economic background of labor legislation will not be mentioned, [   ] be dealt with.


15. The good weather and beautiful beaches make this island a great [   ] attraction.


16. Taipei 101 is one of the most well-known [   ] in the world. You can enjoy a great view of the city from the top floors of the building.


17. I'd [   ] go to the zoo [   ] visit the museum.


18. [   ] at the back door, and they may hear you and open the door.


19. Violence has become so [   ] in movies these days that many parents do not want their children to watch them.


20. I saw Mary a week ago. She said she [   ] me the next day, but she didn’t.


21. Lillian is interested in applying for a [   ] position in Taipei 101 Shopping Mall.


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


23. Historical insights serve to clarify and [   ] the critical activity of a period.


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


25. How much do you guess [   ]?


26. Because the blood [   ] to supply enough oxygen to his brain, he feels dizzy quite often.


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


28. A: What’s for dinner? B: How about some sushi? A: [   ] I prefer a hot bowl of noodles to a cold dish. B: I see. Let’s have our dinner at the noodles stand across the street.


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


30. She could not concentrate when phone calls or visitors kept interrupting her thoughts, so she took a [   ] walk along the river, thinking over her career plan.


31. Tina’s legs were black and blue and she had several burn marks on the arms. She may have been [   ].


32. 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.


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


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


35. Tammy often [   ] music from the Internet to her MP3 player.


36. A [   ] of food can cause millions of people to die of hunger.


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


38. It has always been very generous     you to assist us in arranging the meeting. 


39. Small businesses usually can respond to new market     fast and make necessary changes. 


40. In the face of energy crisis, scientists worldwide are now exploring [   ] energy to replace fossil fuels.


41. Since being slim is the trend, Margaret is trying to lose weight by [   ] herself.


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


43. 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. 


44. In this industry, you really need to keep [   ] if you don't want to be caught off guard.


45. [   ] help us fly kites in spring and cool us in summer.


46. There is a beautifully [   ] lion in the lobby of the building.


47. You should always [   ] your opinions politely.


48. [   ] month of the year in Taiwan is usually December or January.


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


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