1. 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


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


3. Foreign-trained employees have to __ their learned skill-sets to the local market. 


4. Jim is very [   ] and dynamic; he enjoys physical activities and you can seldom see him stay still for more than ten minutes.


5. Robert can’t drive us to the airport. He has __ to take us all. 


6. Jason is a great tour guide because he is not only ready to help [   ] also very knowledgeable.


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


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


9. The police questioned the [   ] for two hours, but they still weren’t sure whether he robbed the bank.


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


11. If you pay your bills on time, you will have good [   ].


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


13. I went to the store [   ].


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


15. The [   ] of this button is to make sure we can stop the machine if things go wrong.


16. The museum’s main hall [   ] an enormous book, and its restaurant looks like a big cake.


17. 《Nicole》: Do you have any plans for tomorrow, Alison? 《Alison》: [   ]《Nicole》: Let’s go shopping!


18. The main thing that makes mobile phones [   ] harmful is radiation.


19. I haven’t decided when I’m __ New York. I’ll let you know once I get the flight ticket. 


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


21. When there is no [   ], you had better compromise; otherwise, you might be caught at a deadlock.


22. 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.


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


24. Public education [   ] would need to be increased for small-size classes, teacher training programs and new E-learning facilities.


25. As __ as it had started, the rain stopped and the sun came out from the blue sky. 


26. I’ve always thought that [   ] the dishes is easier than preparing food, so it is my husband that does the cooking and I wash the dishes.


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


28. [   ] and blurred, it is extremely difficult to recover his sight.


29. On the average, a healthy heart [   ] to pump five tablespoons of blood with every beat.


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


31. Taiwan is famous for its [   ] industry. Many foreigners are using computers made in Taiwan.


32. The factory workers [   ] that their workload was too heavy but the pay was too low. They decided to stage a protest.


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


34. Not until Toyota debuted the model Prius in the late 1990s [   ] the technology of hybrid engine.


35. When the orange trees [   ], there is a sweet fragrance in the air.


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


37. He went for an ocean voyage and [   ] his health.


38. A: [   ]. What’s been going on? B: What do you mean by that? A:Look. You quit smoking. You no longer drive to work; instead, you use public transportation. And you eat really healthy food. You are going “green.”


39. The United Nations made an [   ] for help from all over the world after the earthquake.


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


41. I was [   ] about Mary so I watched her closely.


42. Tom’s colleagues threw a [   ] party for him the day before he officially retired. They wanted to show how much they would miss him.


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


44. I bought a book and finished reading it [   ] I was on the train. The reading made the long-hour trip easier.


45. Research in the environment has [   ] that the rain forests throughout the world are being ruthlessly destroyed.


46. The mayor determined to build a [   ] city. By then, users can get access to the Internet at any time and any place in the city.


47. Las Vegas is a tourist [   ]. It's a must-go place for visitors who go to the U.S. for vacation.


48. My sister knows many passages from Shakespeare [   ]; she can memorize the details of his plays.


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


50. [   ] warming has caused dramatic climatic changes in many areas around the world.