To the surprise of many people in ten years the city’s population by 12%.A. gainedB. exp

问题补充：

To the surprise of many people, in ten years the city’s population by 12%.

A. gained

B. expanded

C. developed

D. spread

答案：

A. gained

(答案→)B. expanded

C. developed

D. spread

解析：考查词义辨析。gained 赢得，expanded 扩展，developed 发展，spread 传播，句意：使许多人吃惊的是，在十年之内这个城市的人口扩展了百分之十二。所以选B。