◎ 题干
--- _______did it _______ the conductor to check the tickets this morning?
--- Half an hour.
A.How soon; takeB.How long; cost
C.How often; spentD.How long; take
◎ 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“--- _______did it _______ the conductor to check the tickets this morning? --- Half an hour.A.How soon; takeB.How long; cost C.How often; spentD.How long; …”主要考查了你对  【句子成分,句子结构】  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。