问题描述: I must be he here before7:30,NEEDNOT I后半句是小写的哦 1个回答 分类:英语 2014-10-27 问题解答: 我来补答 Do i have to be here before 7:30?I need not have to be here before 7:30.不知道你问什么 展开全文阅读