问题
选择题
She didn’t come to the party last Sunday.＿＿＿,she must have made the party more exciting.
A．If she came
B．Would she come
C．Had she come
D．Did she come
答案
答案：C
Had she come＝If she had come。if引导虚拟语气条件状语从句，在口语中或非正式场合可以把if省略掉而改用部分倒装。