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


2. It [   ] me two hours to get there because the traffic was awful.


3. You can’t master English overnight! Remember that speaking it well [   ] a lot of practice.


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


5. A:Why did Judy leave? B: [   ]


6. To prevent sewage from entering the waterways and protect public health, the city councilman strongly demanded that the sewage system [   ] in three months.


7. I like to [   ] time [   ] my family.


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


9. Hotel guests who [   ] checking out after 1:00 P.M. should contact the front desk.


10. This ring was a family heirloom, which was [   ] from my grandfather to my father.


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


12. Climbing unemployment rates and dropping job opportunities are huge __ to the new government. 


13. Mary is never absent and always studies hard, so she [   ] as one of the excellent students in her class.


14. We have to admit that everyone of us is more or less __ to some sort of superstition. 


15. A single bacteria, __ the right conditions, divides rapidly into colonies of billions in one day. 


16. You [   ] your father the truth then. That way, he wouldn't be so angry with you now.


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


18. A: Can you recommend to me an English tutor? B: Sure. Mr. Johnson is a very good one. A: Where does he live? B: [   ]


19. 《Friend A》: Look at this. I think I want to get this purple skirt. 《Friend B》: I thought [   ].《Friend A》: Yeah, but I don’t have a purple one. 《Friend B》: Do you need every color in the rainbow?《Friend A》: Yes!


20. [   ] the family income, the Chang's could afford to buy a new car.


21. A restaurant manager should know how to deal with [   ] from customers who are not satisfied with the food or the service.


22. A: Can you pass the test? B: [   ] A: Good for you. I’m very likely to fail.


23. It is a [   ] of law to ride a motorcycle without wearing a helmet.


24. As [   ] as it had started, the rain stopped and the sun came out from the blue sky.


25. The government may require individuals to limit the carbon dioxide they produce to [   ] global warming.


26. The congressmen have reached a ____ that smoking should be banned within thirty feet from the entrance of a building. 


27. [   ], I cannot agree with him on the matter.


28. Climbing unemployment rates and dropping job opportunities are huge [   ] to the new government.


29. It’s a pity that I failed again. If I had read the book carefully,     the test. 


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


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


32. Many customers in Taiwan believe that they were being     as compared to the much lower price of the same product sold in the US. 


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


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


35. I remember [   ] the movie with Tom last year. It is very good.


36. We can always work toward improving our self-control, and, [   ], we can help others do the same.


37. The air traffic controller informs the pilot how far [   ] from the touchdown point.


38. We still haven't got used to [   ] in the hot and humid city after these many years.


39. My father and his partners’ cooperation is based upon their [   ] respect and understanding.


40. The new medicine is still in [   ] stages and will not hit the market until next year.


41. The Ministry of Finance announced tax __ for the victims of the 921 earthquake and of typhoon Toraji. 


42. Joseph is a man of great [   ]. Once he has made up his mind, no one can change it.


43. The athletes are getting in shape for the big [   ] next month.


44. A:I’d like to know whether foreign banks earn less profit when they deal with small firms instead of large conglomerates. B:[   ] They earn more. A friend of mine told me so.


45. A cat got into the kennel last night and created a tremendous [   ].


46. With a big family to support, John has been [   ] trying to get a job for months, but has not found one yet.


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


48. Being an assistant is just a [   ] job. Allen plans to find a permanent position in an international corporation.


49. The book costs NT$1,200, [   ] of packing and delivery.


50. All of [   ] have joined the on-the-job training.