◎ 题干
— How far is it from Tianjin to Changsha?
— It is a _______ flight from Tianjin to Changsha.
A.2-hour-longB.2-hours-long
C.2 hours’ longD.2 hour long
◎ 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 far is it from Tianjin to Changsha?— It is a _______ flight from Tianjin to Changsha.A.2-hour-longB.2-hours-long C.2 hours’ longD.2 hour long…”主要考查了你对  【助动词】【介词短语】【固定搭配】【疑问词组】  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。