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


2. You should have finished this work a week ago, but you didn’t. I think you should give me an [   ].


3. A 5-year-old child was lost in the __. The forest made it hard to trace him down. 


4. 《Martin》: I did terribly at the math exam. I don’t think I will pass. 《James》: [   ] You’ve spent too much time playing the computer games lately.


5. The original model has been ____ and replaced by the new one. 


6. A:I’m hungry. Let’s have lunch. B: OK. What do you want to eat? A:Why don’t we have Italian food? B: [   ]


7. A brand brings a set of [   ] in the mind of the consumer and one of these is the country of origin.


8. The total number of the [   ] people in that remote area is decreasing.


9. Gorillas are [   ] the best communicators of all animals.


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


11. 《Naomi》: I try not to eat at the cafeteria too often. 《Jennifer》: [   ] The food there is pretty good.


12. [   ] you get from the website [   ] correct.


13. My son is [   ] of the dark, so he never walks out of the house after sunset.


14. I received a written [   ] from the student who bullied his classmates last week. He said he was very sorry about what he did.


15. Janine will probably lose her job [   ] her boss in front of the entire staff last week.


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


17. Foreign-trained employees have to [   ] their learned skill-sets to the local market.


18. [   ] you encounter any problems regarding the new system, please notify the tech support ASAP.


19. Professor Lin does [   ] not late assignments. Students have to hand them in on time.


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


21. Joe is really [   ] about the party tonight. He’s making lots of preparations to make sure everyone can have a good time.


22. [   ], they would not have solved their financial problem.


23. If a soldier lost his weapons in a __, he needed to fight with just his body. 


24. If you want to be promoted at work, you need to work [   ].


25. Nick: May I speak with Sharon, please? Betty: I'm afraid you [   ] the wrong number.


26. He is a very conscientious professor. Never [   ] he let his students leave his classes earlier.


27. The escaping criminal [   ] himself as an old security guard, so the police failed to recognize him at first sight.


28. [   ] intense competition, the prices of food and drinks would be much higher.


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


30. We have been [   ] of the law firm for many years and are satisfied with the legal services provided.


31. The representatives, with cigarettes in their hands, [   ] over a few details when suddenly smoke detector set off the fire alarm.


32. Steve Jobs’ [   ] mastery of technological innovations and aesthetics successfully transformed the landscape of consumer electronics industry.


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


34. A:Jenny seems to be angry at me, and I don’t know why. B: I know. She is unhappy because you said she looked old in her new dress. A:But I was just joking! B: She didn’t take it lightly. She felt hurt. A: Well, I guess you’re right. [   ]


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


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


37. Modern people tend to value material enjoyment too much and ignore [   ] pursuit.


38. From now on, any employee who is usually late for work will be [   ].


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


40. A: Oh! You look terrible. [   ] B:I just finished my paper and I didn’t get a wink of sleep last night.


41. Students must study hard, [   ] they will fail the test.


42. Anna has been asking Henry to eat more healthily but he hasn't been [   ] by her arguments.


43. 《Ken》:I have two tickets to the basketball game tonight. Would you like to go? 《Tim》: [   ]《Ken》: Why can’t you go? 《Tim》: I’ve got to hand in a 10-page report tomorrow morning and I’m still working on it.


44. Today is a beautiful day, [   ]?


45. Not until Toyota debuted the model Prius in the late 1990s ____ the technology of hybrid engine. 


46. A: Can you visit us in New York over Christmas? B: I really want to, but I don’t think I can. A: [   ]. What’s the problem?


47. I remember you. You [   ] to go to school here.


48. After eleven o’clock in the evening, the bus is empty [   ] the driver and the conductor.


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


50. A:Hey, Paul. I see you walking lame all the way. [   ]? B:Nothing. I just sprained my ankle while playing basketball the day before yesterday.