我终于到了伦敦.I arrived in London at last.为什么是一般过去时呢?可否变现在完成时呢?

我终于到了伦敦.I arrived in London at last.为什么是一般过去时呢?可否变现在完成时呢? 英语翻译I arrived in London at last.The railway station was big, 新概念第25课问题I arrived in London at last.The railway station was I arrived in London at last.The railway s___was big,black an 英语翻译1.他们终于到了今天被称为美洲的地方At last they arrived in＿＿＿America tody He sold it last week.这是现在完成时,还是一般过去时呢?怎区分? 为什么用现在完成时呢原文是这样的：I left a suitcase on the train to London th My husband has worked in London.我丈夫在伦敦工作.为什么要用现在完成时?应该是只要用一般 I have just arrived by train这里为什么要用现在完成时呢 i was at home last night.这事一个过去时态的句子.这里为什么不用were 呢,我记得过去时am变 Last year,when I arrived in London I met one of the thickest When I arrived in London,I got down to my work at once.(同义句)