How old do you think this beautiful city is?
A. When did you build this beautiful city?
B. How many beautiful cities did you built?
C. When was this beautiful city built?
D. How old were you when you built this city?
Giải bởi Vietjack
Đáp án đúng: C
Dịch: Thành phố sinh đẹp này được xây khi nào vậy?
