英语翻译There has been no change to what the secretary has characterizedin the past in terms of what we believe is not only necessary,butalso the timelines in which he remains hopeful to provide some ofthat capability

there has been的用法 There has been a misunderstanding. there has been...为什么要加been? 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 翻译:She has never been there,has she? He has been there for six months.为什么不是has been in there? 初中英语翻译 Whether there’s afterlife,the answer has never been the same.The atheists deny afte 英语翻译如题.China has been ... 英语翻译请问为什么不是 has been opened? 英语翻译可以用has been held吗？ there have aways been people 正确么?there have aways been people 和there has aways been people哪个正确? there have been怎样用?there have beenthere had beenthere has been有心向求学 用现在完成时,there have been 和 there has been造句,各造5个 he has been there [twice]就划线部分提问【 】he been there