◎ 题干
The airline stewardess (空姐) said to passengers on ______ with a beautiful smile, “welcome _________!”
A.aboard; board B.board; aboardC.board; board D.aboard; aboard
◎ 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“The airline stewardess (空姐) said to passengers on ______ with a beautiful smile, “welcome _________!”A.aboard; board B.board; aboardC.board; board D.aboard;…”主要考查了你对  【副词的比较级】【疑问副词】【连接副词】【副词】  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。