-Haveyougottheairplanetickets?   -No,because it'sMayDay...

問題詳情：

-Have you got the airplane tickets?

    -No, because  it's May Day ,all the tickets to Beijing______out.

    been sold    been sold

    sold         being sold

【回答】

A

知識點：動詞語態

題型：選擇題