【题目】There was a lot of fun at yesterday's party. You ________ come, and what a pity!
A.might have
B.should have
C.could have
D.would have

【答案】B
【解析】句意：昨天的晚会上有许多趣事。你应该来，多遗憾呀！根据语境可知是对过去的推测，而且用来表示责备、遗憾，所以用should have done表示“本该做某事而事实上没做”。选B。