◎ 题干
The book you want is not ___now. I will let you know as soon as it is returned to the library.
A.useful B.possible C.available D.practical
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“The book you want is not ___now. I will let you know as soon as it is returned to the library.A.useful B.possibleC.available D.practical…”主要考查了你对  【形容词的比较级】【形容词的最高级】【形容词的排序】【形容词】  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。