氢氟酸

_____comes will be welcome.Everything is free tonight.A.Anyone B.Whoever C.No matter who D.The boy 但是A为什么错?不是有例如"Anyone did this is unforgiveable. will free还是 will be free为什么 Everything will be free:" I'll never forget the day which my brother joined the army.请问这句话中的定语从句的引导词对吗?用when可以吗？that呢？ If I ___free next Sunday.I----to the farm with you.a、will be will go b、am willgo选哪个,为啥 My CD doesn't work well.I will go and _______next week if I am free.A.have them repairedB.have repairC.have it repairedD.have it repair still always 和现在完成时1.He has always been fat.2.He is always been fat.3.He is still fat4.He still is fat请问：1.哪些句子可以互换2.这四句中的“fat”分别是什么词性3.如果有病句,请帮我指出来哪里错了.我 I think i am going to()next Sunday A be free B free选哪个?为什么? always和still和现在完成时的区别.1.He has always been fat.2.He is always fat.3.He is still fat请问这三句可以互换么?还有第一句是现在完成时的被动语态么？但是fat是形容词，就不是被动了，请问到底是 still 用在完成时的句子里是 still have 还是 have still,给出例句.谢~~~~~~~~~~· There ought to be less anxiety over the perceived risk of getting cancer than ( )in the public mind today. A exists B exist C existing D existed这道题的答案是什么,请具体解释并翻译 现在完成时的否定句是怎么改的he has gone to moscow改否定句：1：he hasn't gone to moscow2：he don't has gone to moscow------------------------------那句对,都对没?还是都错, 为什么过去完成时的否定句里面要加yet 从电脑上传了新概念的听力到手机上,可是应该怎么打开呢 用am.is.are填空:3.that ice creams man__very busy 4.his ice creams__very nice I‘m good at singing and dancing.（同义句） 【根据句意和所给汉语写单词】that young man can't dance very _____(good).not every wish ____(come) true,but some do.my favourite basketball ____(play) is jeremy lin. He is good at singing and dancing 同义句两个 This box is （A） heavy that nobody can move it.A.soB.suchC.asD.very为什么选so,不选其他的? 1.He carried such a heavy box ________ nobody could move A.that B.which c.as D.what为什么选C,怎么翻译? 填空：1.this box is heavier ( )that one.2.it's a heavy box that no one can move it. this box is 什么 heavy that Icannot move it 告别南方 阅读答案作者 林敏 【急】告别炉火阅读答案 英语翻译what do i discover though?though怎么翻译在句子中的作用是什么? Helen is good at Computer Studies改为同义句. He is good at singing的同义句只有三个空！ I see a man behind me(改一般疑问句) helen is good at singing（同义句） The bag is so heavy that we can not carry it.的同义句怎么改写? i am not free today同义句I have—— ——today 比喻不能实现的胡思乱想的成语 毛泽东为中国革命和建设事业建立了不可磨灭的功勋,主要表现在().A.中国人民解放军的建立和发展B.中国各族人民解放事业的胜利C.世界被压迫民族的解放D.人类进步事业