问题描述: This is _____(definite) a letter from your pen-friend 1个回答 分类:英语 2014-09-25 问题解答: 我来补答 This is definitely a letter from your pen-friend. definitely是副词来修饰助动词is指肯定的意思, 句意是这肯定是你笔友给你的信. 展开全文阅读