49. D 根据本空前的“This was a real expert with great”可知，他的口碑（reputation）很好。
50. B 根据本空后的“it would be to deal with the stain”可知，他对我说这些污迹很难（difficult）处理。 51. C 根据本空前的“unloaded his”可知，他卸下装备（equipment）准备干活。
52. A 根据本空前的“My expectation at that point was low; however, I told him to put in his best”可知，尽管
期望很低，但我仍然告诉他尽最大努力（effort）去除掉这些污迹。
53. D 根据上文中的“Committed to getting rid of the stain”可知，我希望这些污迹被去除（removed）。 54. C 根据本空后的“and disappointment can be our expectations”可知，这次经历让我认识到生活中快乐
（happiness）和失望的分界线。
55. C 根据本空后的“the expectation line drawn by ourselves is placed incorrectly.”可知，如果（if）我们自
己画的期望线是错的，我们就会产生失望。
56. D 由句意可知，此处说的是一种相反的（On the contrary）情况。 57. C 此处与前面的“incorrectly”相对应，表示“正确地”。
58. D 根据本空前的“ In the carpet cleaning scenario above”可知，此处是说第二个清洁工（cleaner）。 59. C 根据本空前的“but he also overdelivered by getting the stain out”可知，污迹被清理掉超出（went
beyond）我的意料。
of
60. A 上文说污迹被清理掉了，我自然是很高兴（glad）。61.
62. about 63. that 64. misunderstood 65. Faced
66. A 67. trying 68. which 69. determination 70. So/As 改错
1.what--which/that /删掉 2.result -- resulting 3. factor-- factors 4. them --it 5. brought 前加has 6. Severely-- severe 7. For-- to 8. the 删掉 9. drives-- drive 10. until-- before
Dear Peter,
I am terribly sorry that I couldn’t practise spoken Chinese with you this time. I should have told you in advance , but something happened beyond my expectation . My teacher called me to send his computer to his office. Unfortunately, my mobile phone got a flat battery after I received the call . Worst of all , I was caught in a traffic jam on my way back.
Next Saturday afternoon , I’d like to meet you at three o’clock at the gate of the park near our college. We will talk about Chinese table manners . You may as well make some preparations in advance if possible.
Once again , I am sorry for any inconvenience caused . Hope to see you soon .
Yours
Li Hua
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