问题描述: 新概念英语第二册第七课的练习答案 1个回答 分类:英语 2014-11-23 问题解答: 我来补答 要哪一部分的?A detectives were waiting(1.1); They were expecting(1.2) ; detectives were waiting(1.5) ; others were waiting (1.6) ; two detectives were keeping guard(11.7-8)个人建议你去买一本叫《新概念英语-练习详解》的书(分1-4册)小本的,很详细 展开全文阅读