◎ 题干
If you have a toothache, you can see him. He is a __________.
A. teacher   B. dentist   C. policeman
◎ 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“If you have a toothache, you can see him. He is a __________.A. teacher B. dentist C. policeman…”主要考查了你对  【专有名词】【名词所有格】【集合名词】【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。