问题补充：
Mikein love with Jane at first sight. Theyin love with each other for two years.
A. fell；have fallen
B. was；have fallen
C. was；have been
D. fell；have been
答案：
A. fell；have fallen
B. was；have fallen
C. was；have been
(答案→)D. fell；have been
解析：fall in love with sb爱上某人，而后面这个句子for two years要用完成时态，但fall in love with sb这个短语是短暂性动作，所以要用表示状态的be in love with sb.
