◎ 题干
—Where is your father?
—He _______ to Korea. He _____ there twice before.
[     ]
A. has gone; has gone
B. has gone; has been
C. has been; has gone
D. has been; has been
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— Where's your mother?— She ______ to Japan, she ______ there twice before. [ ]A. has gone, has goneB. has been, has gone C. has gone, has been D. has bee…”主要考查了你对  【现在完成时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。