中国给哪个国家造高铁

I have been coming to Beijing for 15 years解释一下这句话的意思和用法,但是come不是短暂性动词吗？如果是“我来北京15年了”应该是have lived in Beijing吧 中国为什么不用等离子火箭发射空间站? 英语翻译1.我正在给我的笔友写信.2.你在等谁.3.夏季,有很多人在北戴河度假. 英语翻译我今天早上朗读了.I.（翻译）是该回家的时候了.It's time to______(go/went)home. 英语翻译因为把家作掉在了家里,我不得不回家取. 英语作文:welcome to Shangtou 英语翻译How much is your English book?这句话的翻译是什么? 改写句子,使其句意不变 those recipes have been in the family for years. eraser翻译中文 ruler的翻译 莱茵河和长江的价值差异莱茵河是欧洲重要河流,其航运在德国最发达,货运量也居世界首位.它和长江有什么价值差异?麻烦归纳一下, 对比说明长江航运效能低于莱茵河的自然原因 crayon读什么 crayon英语咋读 英语翻译大多数人心中都会有自己的偶像,他是娱乐明星,是政坛要人,抑或是体育健将.偶像带给我们的不仅是精神生活的丰富多彩,更是在我们漫长的人生道路上有着相当的引导作用.他们的性 rain的la song读啦song吗 幸福生活的英语怎么说 你认为的幸福生活是什么样的?英语怎么说 The year 2008 ______ the most splendid Olympic Games in human history in Beijing.（2009 松江区 二模）has witnessed\x05\x05B.witnessedC.had witnessed\x05\x05D.have witnessed 找一首英文歌,女生唱的,很欢快里面有句歌词是i dont know how were got better couple now to you want 求一首欢快的英文歌曲男人唱的,节奏比较轻快,里面多次出现apologize这个词,最多的出现还是betterman这个单词,结尾也唱着betterman betterman betterman.请问高手这是什么歌曲 Jay Chou这个词怎么读 周杰伦哪首歌里有飞蛾扑火这个词 问下,这首歌是周杰伦的什么歌?叫什么?2.30的时候,告诉歌名就好了,. l'm little Water Drop.l'm hot. little water drop feels warm again 改为一般疑问句 The sun is every hot.It shines on rivers,lakes and seas.It causes the water__1__ into vapour.Water The students are reading books in the library in s_.谁告诉下 对括号里的句子提问：1、the students are reading books (inthe school library) .2、some young people are (seeing an action movie ) in the cinema .3、sarah is sleeping because she works at night ) . The students are reading some books in the library.改为否定句The students _____________ ______________books in the library 1._____of the books in the library are bought for students reading. 32.of the books in the library are bought for students' reading32.() of the books in the library are bought for students' readingA.Three fourthB.Three fourC.Three fourthsD.Third fours