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1. [A] It was dangerous to live in.
2. [B] A storm
3. [B] They were trapped in an underground elevator.
4. [C] They sent supplies to keep the miners warm.
5. [D] Close some of its post office.
6. [C] Stopping mail delivery on Saturdays.
7. [A] Many post office staff will lose their jobs.
8.[D] He will lose part of his pay.
9.[B] He is a trustworthy guy.
10.[D] She is better at handling such matters.
11.[C] He is always trying to stir up trouble.
13.[A] They stay quiet
14.[C] She was never invited to a colleague’s home.
15.[B] Houses provide more privacy
16. [D] They will automatically be given hiring priority.
17. [C] Visit the school careers service.
18. [B] Supervising study spaces to ensure a quiet atmosphere.
19. [C] It may be sold at a higher price.
20. [A] It is healthier than green tee.
21. [D] It does not have a stable market.
22. [B] They prefer unique objects of high quality.
23. [B] They could only try to create at night.
24. [A] Make wise choices.
25. [A] To boost the local economy.
26. [E] challenges
27. [J] searched
28. [D] categorizing
29. [K] similarities
30. [L] slightly
31. [G] percentage
32. [O] traditional
33. [ I ] regardless
34. [H] proving
35. [M] suggests
46. [B] He intends to get rid of the tipping practice.
47. [C] It forces the customer to comensate the waiter.
48. [D] They can have some say in how much their servers earn.
49. [A] Services quality has little effect on tip size.
50. [D] Waiters should be paid by employers instead of customers.
51. [C] The impact of cheap oil on global economic growth.
52. [D] Consumers will spend their savings from cheap oil on other commodities.
53. [C] They use their money reserves to back up consumption.
54. [B] Its negative effects more than cancel out its positive effects.
55. [A] People are not spending all the money they save on gas.