问题描述： after / in 的区别用法 1个回答 分类：英语 2014-11-26 问题解答： 我来补答 in +时间段：与将来时连用after +时间段：与过去时连用after +时间点：可与将来时连用He will be back in two hours.He came back after two hours.He will be back after two o'clock. 展开全文阅读
