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    精英家教网 > 高中英语 > 题目详情
    The lazy bone pretended ______ earnestly when his father came into his study to see what
    he was doing.     

    A. studying  
    B. to study  
    C. to be studying  
    D. to have studied

    C
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    科目：高中英语 来源：同步题 题型：单选题

    The lazy bone pretended ______ earnestly when his father came into his study to see what
    he was doing.     
    [      ]

    A. studying  
    B. to study  
    C. to be studying  
    D. to have studied

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