问题描述: l have been a student here (for a year).(划线部分提问) 1个回答 分类:英语 2014-12-08 问题解答: 我来补答 How long have been a student here?用how long提问的句子应该要用for+时间回答,所以相对的要对for+时间提问就要用how long. 展开全文阅读