◎ 题干
 __________I see him, he looks sad.
A.Every now and thenB.Every now and again
C.Every so oftenD.Every time
◎ 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“__________I see him, he looks sad.A.Every now and thenB.Every now and againC.Every so oftenD.Every time…”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。