题目内容
_____ U2, the Irish rock band from Dublin perform a concert in Beijing, tell me in advance.
A. If B. Shall C. Should D. Would
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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