◎ 题干
Do you think ________should be allowed to drive?
[     ]
A. seventeen years old
B. seventeen-years-old
C. seventeen-year-olds  
D. seventeen 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“Do you think ________should be allowed to drive?[ ]A. seventeen years old B. seventeen-years-oldC. seventeen-year-oldsD. seventeen year olds…”主要考查了你对  【可数名词(单数名词,复数名词)】  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。