◎ 题干
Mr Caraway is said _____ . Who do you know has succeeded him?
[     ]
A. to have retired              
B. to be retiring   
C. to retire                  
D. having retired
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Mr Caraway is said_____ . Who do you know has succeeded him?[ ]A. to have retiredB. to be retiringC. to retire D. having retired…”主要考查了你对  【不定式的完成式】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。