三年学生写作业的时间

Had he worked harder,he（ ）the exams.A.must have got through B..would have got through C..woHad he worked harder,he（ ）the exams.A.must have got throughB..would have got throughC..would get throughD..could get through 应该的原形过去式过去分词是什么? All that I want is a room somewhere 这个句子中为什么用is I found that's inevitable in spite of I also tried to want to avoid bring bad mood into my work,我发现这是不可避免的,尽管我想极力避免把坏情绪带入工作中! 英语翻译To the basic requirement of armed forces and to the demands of the news security scene we must add the complications of the Soviet factor. 连词成句:Have,her,since,I ,a,known,little,I ,boy,was The room has two windows.（同义句）“The room has two windows.”的同义句!百万火急! whose room is that?It's ()为什么要把that改成it,或者把答案的it's改成that's才能接it's my brother's呢?求讲解下其中的语法知识. Jim is the quietest boy in his class.（改为同义句） Jim is __ __ __ __ __ in his class. If I had known it earlier,I would have made preparations.问：我知道是虚拟语气,也知道翻译,我就问：主句I would have made preparations是什么时态,为什么要这样,有什么规律? Exercise can reduce stress.这句话中的exercise是名词还是动词 Had i known that you wanted to read it,i would have returned it immediately本人语法巨差,请问,怎么理解这个句式?希望好心人再提供几个类似的例子的应用... 在一个句子里,可不可以出现两个be动词?例如；There is some people is swimming.急 Had known it earlier,I would not have gone back!在过去之前知道得早点 应该是过去完成时阿！ 在‘’Is Watching TV a Good Thing‘’中,为什么be动词is要放在句首? Stave said that if he had known how it worked,he would have been told good at后面加动词什么形式?do ; to do还是doing Had I known her name,I would have inveted her to have lunch.这句话是说我曾请过她吃午饭（动作已完成）还是我会请她吃午饭（动作未完成）.这里的inveted,动作到底有没有完成呀? The man （ ）you are waiting for is in that room.A.which B.whom C.whose 有没有以韩麦尔先生为主角写的最后一课的文章是文章好!不需要把最后一课给我发起来!谢老哈! he is the tallest student in his classhe is _____ _____ _____ _____ _____ students in his class空格前有一个taller I would（缩略形式）－－－－－ l would的缩略形式 he would(缩略形式) liu tao is the tallest of the boys in his class.同义句liu tao is （ ）（)the other boys in hisclass. Liu Tao is the tallest of the boys in his class.（同义句）Liu Tao is( )( )the other boy in hisclass. Alice is good at swimming.Ben is good atswimming,too.（改为同义句） Alice is good at swimming.Ben is good at swimming,too.（改为同义句）_____ Alice _____ Ben _____ _____ _____ swimming. Alice is good at swimming.Ben is good at swimming,too.【同义句】 Alice is ___.___ at swimming___Ben. Alice is good at SWIMMING.的特殊疑问句 that,other,without 等 之中 的怎么发音th 在字典里是有点类似 "犬"旁那怎么发音>?类似中文发音,还嘴吧怎么运做,如果我学会了我再加分! "认证费"英语怎么说?