一、情态动词： 53. She （D） fifty or so when I first met her at a conference. (2009) A. had been B. must be C. has been D. must have been Key: 情态动词 must 表示很有把握的推断。 对于现在事情的肯定推断用 must do ,而对过去的推断，要用 must have done.本句是对她过去年龄的肯定推测。 61. Aren’t you tired? I（A）you had done enough for today.（2009） A. should have done B. must have done C .might have done D .could have done Key: should have done 意思是本来应该做某事，而实际没做，符合此处语义逻辑关系。Must have done 表示对过去事情的猜测，might 与 may 意思相同，但可能性更小。多用于虚拟语气结构中。Could have done 是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。 52. Nancy's gone to work but her car's still there. She（A） by bus. (2010) A. must have gone B. should have gone C. ought to have gone D. could have gone Key: must 用于肯定句中比较有把握的推测，意为“一定”。当 must 后接完成时，表示已发生的事情的推测。根据句意，此处应该为有把握的推测。 二、非谓语动词 51. What a nice day! How about the three of us （C） a walk in the park nearby? （2009） A. to take B. take C. taking D. to be taking Key: how about 这一短语用来征求意见，后接名词或动名词。 65. "The man preparing the documents is the firm's lawyer" has all the following possible meanings EXCEPT（D） （2009） A. the man who has prepared the documents... B. the man who has been preparing the documents... C. the man who is preparing the documents... D. the man who will prepare the documents... Key: 名词后用现在分词作定语多数表示正在进行的动作，也可表示一般的动作。四个选项中，前三项表示的时间都是现在，而第四项表示的是将来。但是，用于表示将来时通常是用不定式结构。 65. （D） should not become a serious disadvantage in life and work.(2010) 66. A. To be not tall B. Not being tall C. Be...
