问题描述: 用must,need以及needn't和mustn't开头的疑问句回答的肯定和否定回答形式是什么? 1个回答 分类:英语 2014-10-01 问题解答: 我来补答 Must I do that?Yes,you must; No,you needn'tNeed I do that?Yes,you must; No,you needn'tNeedn't I do that?Yes,you must(不,你必须这么做);No,you needn't(是的,你不必这么做)Mustn't I do that?Yes,you must(不,你必须这么做);No,you needn't(是的,你不必这么做) 展开全文阅读