问题描述： must i borrow a book from the library? 1个回答 分类：英语 2014-09-20 问题解答： 我来补答 情态动词must一般疑问句否定回答用needn't或don't have to,肯定回答用Yes,you must.我必须从图书馆借一本书吗?Yes,you must / No,you needn't.或No,you don't have to,希望能帮到您, 展开全文阅读
