问题补充:
I would love to your birthday party last night, but I had to attend an important meeting.
A. to go
B. to have gone
C. going
D. having gone
答案:
A. to go
(答案→)B. to have gone
C. going
D. having gone
解析:would love接不定式,would love to have done表示“本来愿意做某事而实际上没有这样做”。