Our city is one of cities in china.A. the biggestB. biggestC. biggerD. the big

问题补充：

Our city is one of cities in china.

A. the biggest

B. biggest

C. bigger

D. the big

答案：

(答案→)A. the biggest

B. biggest

C. bigger

D. the big

解析：考查形容词最高级，句意：我们的城市在中国是最大的城市。最高级前要加the，所以选A。