◎ 题干
---It’s a long time _____ I saw you last.
---Yes, and what a pity it is now that it will be a long time _______ we see each other again.
A.before; sinceB.since; whenC.since; beforeD.when; before
◎ 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“---It’s a long time _____ I saw you last.---Yes, and what a pity it is now that it will be a long time _______ we see each other again.A.before; sinceB.since…”主要考查了你对  【并列连词】【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。