◎ 题干
— "How long do you suppose it is _______ he left for Japan?"
— "No more than half a month."

[     ]

A.when
B. before
C. after
D. since
◎ 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 suppose it is _______ he left for Japan?" — "No more than half a month."[ ]A.when B. before C. after D. since …”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。