问题
选择题
What a pity! ________joined in the party, I would have met my old friend．
A．lf I have
B．Had I
C．I had
D．Have I
答案
答案：B
考查if条件状语从句的虚拟语气。根据would have met可知指的是过去的情况，所以if从句要用过去完成时态，且if的虚拟语气中，可以将助动词had,were或shluld提到句首，省略if。所以选B。