成就动机
参考答案：成就动机：成就动机是个体努力克服障碍、施展才能、力求又快又好地解决某一问题的愿望或趋势.
—Have you ever been to Shanghai, Mary?
—Yes. I _________ there for three days with my parents last month..[ ]
A. have gone
B. have been
C. went
D. was
冻驴肉
