问题描述： 用过去完成时造几个简单的句子. 1个回答 分类：英语 2014-11-07 问题解答： 我来补答 I had been at the bus stop for 20 minutes when a bus finally came.By nine o’clock last night,we had gotten 200 pictures from the spaceship.He said he had worked in that factory since 1949.He said that he had known her well. 展开全文阅读
