◎ 题干
______ are not allowed to drive. They are not serious enough.
[     ]
A、Fifteen-year-old
B、Fifteen-years-old
C、Fifteen years old
D、Fifteen-year-olds
◎ 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“______ are not allowed to drive. They are not serious enough. [ ]A、Fifteen-year-oldB、Fifteen-years-old C、Fifteen years old D、Fifteen-year-olds …”主要考查了你对  【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。