问题描述： how long__you __(be)at this school?For over two years. 1个回答 分类：英语 2014-10-06 问题解答： 我来补答 how long have you been at this school?For over two years.根据后面的回答已经两年了,可以知道这里要用现在完成时 展开全文阅读
