◎ 题干
—How long is it _____ we last met?
—About five years. You haven't changed much.
[     ]
A. before
B. since
C. when
D. that
◎ 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 is it _____ we last met?—About five years. You haven't changed much.[ ]A. beforeB. sinceC. whenD. that…”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。