改进题：Shortage of suitable land in the urban areas has made it nec

改进题：Shortage of suitable land in the urban areas has made it necessary to build most new public housing in the suburbs.

译文：由于市区合适的土地缺乏，大部分公共房屋不得不在郊区兴建。
【正确答案】：改进的译文：由于市区缺乏合适的土地，大部分公共房屋必须在郊区兴建。
【题目解析】：p86