63.我们从未怀疑你对此事件所作解释的真实性。

31. When the sports hero ______ at our party, he was welcomed with open arms.

57.在加工过程中，会重新人为加入某些食物的维生素和矿物质，但却未必和原来的一样健康。

19. ______makes the book so extraordinary is the creative imagination of the writer.

22. It was quite a long time ________ I figured out what had happened to the manager.

（ ）13. His secretary stays in the office helping her boss to deal with some daily routine.

27. If you ________ home without a word, your parents wouldn‘t be so worried now.

28. Only when he returned from the exchange program________how much he enjoyed it.

48. skilled in meeting organizational______;

45. How can we become a good reader?

（ ）55. Dealers often try to sell you extras such as rust proofing, fabric protection, and paint protectant, or push etching your Vehicle identification Number on windows to deter thieves.

24. We are confident that the environment ________ by our further efforts to reduce pollution.