-have you ever seen the film？ -yes I ＿it three times when I lived in the USA答案是saw，为什么？
-have you ever seen the film？ -yes I ＿it three times when I lived in the USA答案是saw，为什么？
日期：2010-10-20 21:57:21 人气：2
when I lived in the USA是个具体时间点，完成时不与时间点连用