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    26．He never regretted the anxious hours he had had for the missing papers． A．search B．searching C．searched D．to search 【查看更多】

     

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    He never regretted the anxious hours he had had ______ for the missing papers．

    A．search　　　 B．searching　　 C．searched　 　D．to search

     

    查看答案和解析>>

    26．He never regretted the anxious hours he had had ______ for the missing papers．

           A．search              B．searching            C．searched       D．to search

    查看答案和解析>>


    26．He never regretted the anxious hours he had had ______ for the missing papers．

    A．searchB．searchingC．searchedD．to search

    查看答案和解析>>


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