问题描述： It's not polite to ＿＿＿ at others,(laught),这里面有什么句式吗? 1个回答 分类：英语 2014-10-14 问题解答： 我来补答 laugh atIt is not polite to laugh at others.嘲笑别人是不礼貌的.It is (not) polite to . 展开全文阅读
