问题描述: they are afraid--------their teacher A.with B.to C.on D.of 1个回答 分类:英语 2014-10-10 问题解答: 我来补答 选Dbe afraid of sth害怕某事/某物be afraid to do sth害怕做某事他们害怕他们的老师 展开全文阅读