Shanghai is one of in the world.A. the big cityB. the biggest cityC. a big cityD. the bi

问题补充：

Shanghai is one of in the world.

A. the big city

B. the biggest city

C. a big city

D. the biggest cities

答案：

A. the big city

B. the biggest city

C. a big city

(答案→)D. the biggest cities

解析：此题重点考查短语one of +形容词的最高级+名词的复数形式，表示…其中之一。