英语翻译There has been some research on modeling and simulation of the railway transportation system

初中英语翻译 Whether there’s afterlife,the answer has never been the same.The atheists deny afte 英语翻译( )( )has been( )( )( )people's living conditions by the government. there has been的用法 There has been a misunderstanding. there has been...为什么要加been? 英语翻译Although the prevailing supposition has been that it is too hot for microorganisms to survive deep below the Earth's surface,some scientists argue that there are living communities of microorganisms there that have been cut off from surfa This is Mr.White's _____ visit to Beijing.He has been there twice before. It's has been accepted 英语翻译Since the People’s Republic of China’s accession to the World Trade Organization (WTO) in 2001,there has been a notable increase in tensions concerning trade relations between China and the United States.China’s enormous economy pre 英语翻译There has been some research on modeling and simulation of the railway transportation system there has/have been的用法 he has been there _twice____.画线提问 We love,difference has always been there. He has never been there.英译汉 what's the weather like this autumn here?There ______very little rain.A has B are C has been D have been 为什么是has 不是have?has been 修饰rain吗？ 英语翻译1.Alice came back home the day before yesterday.Really?Where_____?A.has she been.B.had she been.2.Who's the man over there?It's Jack.Oh?_____in Italy.A.I've thought he's been.B.I thought he was C.I'd thought he'd been3.It was possible tha what's the weather like this summer here?There （）vety little rainA has B has been C are D have been There has been a great increase in retail sales.里 been表持续的意思吗?还有如 It's been a month.