问题补充：
It’s a pity that I was too busy to watch the film last night. If I time. I would have gone to watch it.
A. had
B. had had
C. have
D. would have
答案：
A. had
(答案→)B. had had
C. have
D. would have
解析：考查虚拟语气.句意:很可惜,昨晚我没有时间去看这部电影.如果我有时间,我会去看.结合语境可知条件从句中是对过去动作的虚拟,故用过去完成时态,选B.
