◎ 题干
—________ you ever ________ the Great Wall?
—Yes, twice.
[     ]
A. Have; been
B. Have; been to  
C. Have; gone to
D. Have; been in
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—________you ever ________ the Great Wall?—Yes, twice.[ ]A. Have; beenB.Have; been toC. Have; gone toD. Have; been in…”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。