问题补充:
Beijing is capital of China. And its one of in Asia.
A. a; the most beautiful city
B. the; the most beautiful city
C. a: the most beautiful cities
D. the; the most beautiful cities
答案:
A. a; the most beautiful city
B. the; the most beautiful city
C. a: the most beautiful cities
(答案→)D. the; the most beautiful cities
解析:“首都”只有一个,用the表示特指;同时,在one of...后应用最高级,再接复数名词。