问题描述:
It was years since i had seen her.此处为什么是had seen ,可否用saw代替.
句型不是It+is/was+时段+since+过去时?
句型不是It+is/was+时段+since+过去时?
问题解答:
我来补答展开全文阅读
问题描述:
问题解答:
我来补答