摘要： Thank you for all your hard work last week. I don’t think we it without you. A. can manage B. could have managed C. could manage D. can have managed [解析] B 此题考查情态动词表示虚拟意义的用法.I don’t think-是否定前移.意为:我认为没有你我们本不能做成这件事的.此题关键是要根据句意知道是虚拟语气.其基本形式是情态动词+have done,所以其他选项皆可排除. [答案]B 3. But for the help of my English teacher, I the first prize in the English Writing Competition. A. would not win B. would not have won C. would win D. would have won [答案]B 虚拟语气.此处虚拟语气表示与过去事实相反.句子谓语动词用would/should/could/might + have done结构.故选B.
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（山东卷24）. That’s the new machine ______ parts are too small to be seen.
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