问题描述： since+时间点可以用于过去完成时吗?可以举例? 1个回答 分类：英语 2014-10-18 问题解答： 我来补答 在宾语从句中是可以的.He told me that he had made a lot of new friends since he came to China had made a lot of new friends 发生在told me前 展开全文阅读
