问题描述：
新概念英语第二册lesson7 Too late 求解
some of the detectives were waiting inside the main bulding
句中main bulding 前面为什么要加定冠词the
some of the detectives were waiting inside the main bulding
句中main bulding 前面为什么要加定冠词the
问题解答：
我来补答展开全文阅读