Question

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

A．If

B．Shall

C．Should

D．Would

Answer 1

C

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...。