摘要:( ) --Where’s your father? --He to Korea. He there twice before. A. has gone , has gone B. has been , has gone C. has gone , has been D. has been , has been 答案:C 解题点拨:have +地点.表示“曾去过某地而已从那儿返回 .have +地点.表示“已去了某地(可能在去的路上.口:途中.或已到目的地) .

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