—Have you ever been to Shanghai, Mary?
—Yes. I there for three days with my parents last year.
A. have gone
B. have been
C. went
D. was
网友回答
A. have gone
B. have been
C. went
(答案→)D. was
解析:last year去年表示过去时间,因此要求谓语动词要用过去时,又因for three days是段时间因此谓语动词必须要有延续性,故用was选D.