问题描述: (1/2)(你的职责是让同学们保持安静.)用英语表达出来!是不是(keep classmakes quiet is your duty 还 1个回答 分类:综合 2014-11-02 问题解答: 我来补答 It is your duty to keep your classmates quiet===Keeping your classmates quiet is your duty. 展开全文阅读