网上破冰作业数学

He was a student before. 这里的before省略会影响句意吗? He is a student at a medical college now. Many a student _______ that mistake before.是had made 还是has made?before不是过去时的标志吗?had made过去完成时放在句子中不行吗? Few students failed in the exam at the end of last term,_______?选哪一个呢?A.A.do theyB.B.didn't theyC.C.don't theyD.D.did they the last exam of this term I have nothing to say / I'm nothing to say哪个对,为什么 He used to be a teacher but later he turned writer.为什么writer前不需加a He used to be_______doctor but later he turned _____write.A a;a B a;the C /;a D a;/应该是哪个,为什么 如何快速背得音标是背音标的啊,不是背单词啊! 如何背过音标? 如何背音标? 如何背音标? 怎么才能快速背会音标 in reply to one's 放在句子中怎么使用举个例子 求助初初中2年级开学感想 The young girl has turned writer改为 The young girl has___ ___writer Many a writer of newspaper articles (has?have?) turned to writing novels.既然用Many许多 writer,那就应该选have对吗?如果错了为什么? 英语翻译Probably.It’s still up in the air...Maybe I don"t deserve you.Just checking.Just right place,right time. 37.He turned ________ the radio because his father was asleep.　　A.onB.downC.upD.overAturn on Bturn down Cturn up Dturn over reply to和reply in的用法和区别,急 reply to和in reply to的区别,用法 26个字母中 搭配两个好看英文字母 第一个大写 第二个小写的 英语翻译In group to remain in existence,a profit-making organization must,in the long run,produce something consumers consider useful or desirable. My mother cooked us breakfast early this morning (改为同义句) my mother___ __ __early this morning 3000字的迟到检讨书哎..郁闷.我们班主任说高三迟到不可原谅.让我3000字检讨在班上念.我根本没时间写..那位大虾帮下忙啊.不用太好,能读出来就行... My mother cooked us breakfast eaely this morning.(改为同义句) My mother______(cook)breakfast this morning.正确形式填空 Maybe It'S You 歌词 The Price of What is the price of these sweaters?这句话不是复数吗?为什么要用is?事先声明：这句话是对的我不知道为什么要用is 不解啊! 谢谢解释一下 ship went through the storm and was s____ to ChinaRT ------that a storm was coming ,the ship's captain changed coursea having been warned b warned c having warned d warning 英语：with the lowest price 和 at the lowest price有什么区别?书上是When prices are listsd,you can go to the store with the lowest price.I am happy that I brought the computer at the lowest price.区别是啥?