问题描述: it's been quite some it's been quite some 有语法可以分析吗? 1个回答 分类:英语 2014-10-17 问题解答: 我来补答 已经有很长一段时间了语法是it has been (具体的时间).since .,自从...以来已经有...时间了这里只是模糊写很长时间,没写具体,而且后面不全,可能是省略了一个自从... 展开全文阅读