◎ 题干
-Have you got the airplane tickets?
-No, because  it's May Day ,all the tickets to Beijing______out.
A.have been soldB.had been sold
C.bad soldD.were being sold
◎ 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“-Have you got the airplane tickets? -No, because it's May Day ,all the tickets to Beijing______out.A.have been soldB.had been soldC.bad soldD.were being sold…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  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。