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    _____ U2, the Irish rock band from Dublin perform a concert in Beijing, tell me in advance.

    A．If

    B．Shall

    C．Should

    D．Would

     

    【答案】

    C

    【解析】should意思是“万一”，表示可能性，通常用于条件句中。如果省略掉if，通常把should提前。此句可还原成If U2, the Irish rock band from Dublin performs。

     

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