题目

66. I’m so g________ for all your past kindness. 67. He has studied English for ten years and now he can speak English f________and accurately. 68.It is reported that this disease ________the central nervous system.（攻击） 69. Her success is owing to her positive a________ towards her work. 70. The refugees’main requirements are food and ________.（避身之所） 71. 8加4等于12。 4________________ 8 is 12. 72. 我们必须精通所学的知识，这样更有可能在未来有所创新。 We must ________________ the knowledge we have learned so that we’ll be more likely to innovate in the future. 73. 与其乘汽车，我宁愿步行。 ________________ travel by car, I prefer to walk. 74. 入侵者把城镇变为废墟。 The invader laid towns and villages________________. 75. 我送给他一份礼物以回报他的帮助。 I sent him a present ________________his help. 76. Don’t get off the bus until it ________________(stop). 77. My pen ________________ (write) smoothly and it doesn’t need to be repaired. 78. She was seen ________________(enter) the manager’s office ten minutes ago. 79. His book ________________ (publish) last month is based on a true story. 80. You________________ (tell) me about it earlier. If I had known the truth, I would have helped her out. 答案：66.grateful   67.fluently    68.attacks     69.attitude        70. shelter 71. added to  72.have a good command of   73. Rather than    74.in ruins 75. in return for/ in reward for / as a reward for76.has stopped  77.writes 78.to enter   79.published   80.should / ought to have told

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