— You look so young. Haven't you graduated from your university?
— Yes. I _____ in the English department of Yunnan University for four years. [ ]
A. had studied
B. has studied
C. studied
D. was studying
答案:C
— You look so young. Haven't you graduated from your university?
— Yes. I _____ in the English department of Yunnan University for four years. [ ]
A. had studied
B. has studied
C. studied
D. was studying
答案:C