问题描述： 造句,be sure和be not sure if/whether各二句. 1个回答 分类：英语 2014-12-02 问题解答： 我来补答 I am sure that he will come to our party.I am sure that you will success.I am not sure whether he will come to our party.\I am not sure whether you will success. 再答： 不客气 展开全文阅读
