问题补充:
----We love our capital Beijing, one of cities in the world.
------So do I.
A. more beautiful
B. the most beautiful
C. much more beautiful
D. much beautiful
答案:
A. more beautiful
(答案→)B. the most beautiful
C. much more beautiful
D. much beautiful
解析:句意:我们爱我们的首都,世界上最大的城市之一——北京。结合语境可知本句中表示在多个城市中的对比,故用形容词的最高级作定语,选B。