◎ 题干
— Did you go to the exhibition on May 18th?
— Of course. There were many kinds of Taiwan fruits ______.
A. on show                  B. on duty                     C. on business
◎ 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“— Did you go to the exhibition on May 18th?— Of course. There were many kinds of Taiwan fruits ______.A. on show B. on duty C. on business…”主要考查了你对  【介词短语】【介词】  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。