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    -Where’s Jack?-He Beijing on business. A. has been to B. has been in C. has gone to D. had gone to 【查看更多】

     

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    -Where's Jack?          
    -He _________ Beijing on business.
    [     ]
    A. has been to                
    B. has been in            
    C. has gone to                
    D. had gone to

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