◎ 题干
—How long do you think it will be ________ President Hu Jintao makes another visit to America?
—It all depends.
[     ]
A. when  
B. that
C. before  
D. until
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—How long do you think it will be ________ President Hu Jintao makes another visit to America?—It all depends.[ ]A. whenB. thatC. beforeD. until…”主要考查了你对  【从属连词】  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。