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    He to Australia on business before. A.has been B.has gone C.went D.will go 答案: 3.A has been to的意思是“到过 ,has gone to 的意思是“去了 . 【查看更多】

     

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    He______to Australia on business before.?
    [     ]
    A. has been          
    B. has gone       
    C. went      
    D. will go

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