问题描述: Students were a___ to choose the subjects that interest them .把单词补充完整. 1个回答 分类:英语 2014-11-08 问题解答: 我来补答 Students were able___ to choose the subjects that interest them .be able to v.会;能够 再问: 可答案给的是allowed 我不知道有什么区别? 再答: 因为这里没有上下文,没有具体的语境,allowed也正确,be allowed to do sth 被允许做某事 展开全文阅读