◎ 题干
______ at the airport, he telephoned his wife and bold her what he would do when he got home.
A.Once arrivedB.As soon as he reached
C.When he gotD.Upon arriving
◎ 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“______ at the airport, he telephoned his wife and bold her what he would do when he got home.A.Once arrivedB.As soon as he reachedC.When he gotD.Upon arriving…”主要考查了你对  【介词和介词短语】  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。