问题补充：
--- Fancy meeting you here!
--- Pleased to see you. If they me to the party, I be here.
A. hadn’t invited; wouldn’t be
B. didn’t invite; wouldn’t be
C. hadn’t invited; wouldn’t have been
D. didn’t invite; won’t be
答案：
(答案→)A. hadn’t invited; wouldn’t be
B. didn’t invite; wouldn’t be
C. hadn’t invited; wouldn’t have been
D. didn’t invite; won’t be
解析： 考查虚拟语气。If they me to the party, I be here是含有if条件状语从句的混合虚拟。If从句指过去的情况，要用过去完成时，排除B,D；主句I be here指现在的情况，用助动词加动词原形。所以选A。
