12. "Is this the first time you______ Chengdu?"
"No. But the first time I______ here, the city wasn’t so beautiful"
A. visited
B. came
C. visited
D. have come
E. have visited
F. have come
G. have visited
12. "Is this the first time you______ Chengdu?"
"No. But the first time I______ here, the city wasn’t so beautiful"
