◎ 题干
Billy is a  nice  boy . he knows a lot , but he never ________.
A. shows offB. picks upC.falls offD. looks up
◎ 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“ Billy is a nice boy . he knows a lot , but he never ________.A. shows offB. picks upC.falls offD. looks up…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  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。