问题描述: The policeman often s( ) the traffic and lets people go first. 1个回答 分类:英语 2014-10-27 问题解答: 我来补答 The policeman often ( stops,阻止 ) the traffic and lets people go first.警察经常把车辆拦下来,让人们先过马路. 展开全文阅读