问题描述： 不改变句意,改句子, 1个回答 分类：英语 2014-09-27 问题解答： 我来补答 When I got home I heard your message on the answering machine.When I arrived at the office he was waiting for me.I hope he knows what he's doing.When the film started I realised I had seen it before. 展开全文阅读
