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问题 have to和must用法的疑问

1.She's not answering the doorbell. She must not be at home.请问must not表推测时，可以缩写为mustn't吗？话句话说，mustn't是不是只能用于表“禁止”，不能用于表推测？ 2.No one else could have done it – it had to be Neville.If Bley was aboard, he had to have hea...

问题 for加一段时间是不是可用于任何时态

...成时Andy and Tom talked for three hours.一般过去时We have been waiting here for some time.现在完成进行时2怎么区分辨别和使用，现在完成时和现在完成进行时呢？现在完成时,有表示从过去开始，一直持续到现在的动作，可能还会持续下去如The...

问题 请问在在这里方式状语可以修饰be动词吗

...章的大标题：New Black Hole Measurements Show More Ways Stephen Hawking and Albert Einstein Were Right在这里我好奇是不是Stephen...right是关系分句修饰ways，然后先行词ways在关系分句中充当方式状语，但是之前看到方式状语不能修饰be动词。在这里我...

文章 高中英语新课标词汇-教学参考资料-be responsible for

...不好的情况的原因。如：The car is responsible for causing a lot of damage to our environment. 汽车对我们的环境造成严重破坏。His carelessness is responsible for breaking the mirror. 打碎这面镜子是由于他粗心大意。Scientists have discovered the gene responsible f...

问题 如何理解 As you told me

______ you told me, I had no idea of it.   A. Until  B. When  C. While  D. As 答案为 D。请问怎么理解，答案对么？谢谢！   

问题 due to..以及to strangers是什么成分

It was only due to a piece of good luck.He talked very much to strangers.请顺便分析一下两个句子的全句成分

问题 2016四川南充语法填空（翻译其中的一句）

he was an advocate of morden science and political teaching, rather than the strict classcial education afforded by the school, so he was dismissed from his post.请老师们翻译一下，翻译有障碍，谢谢！

问题 while与before 的区别

I will have to take several lessons of you ______ I CAN expect to do this on the computer on my own.A. while    B. when    C. before     D. once答案为C，请问是什么意思？while 不可以么？意思挺通顺的。

问题 同位语和原因状语的区别

A skilful hand at improving tools, Mike helped to make a new type of cutter. 这句的A skilful hand at improving tools 为什么是同位语呢，它也可以说是原因状语Because Mike has a skilful hand at improving tools，甚至是伴随状语呀！

问题 there being 的有关用法疑问

Does a theory of civil disobedience necessarily depend on there being a Natural Law?请问老师上面这个句子的成分如何划分？1、depend作谓语还是depend on作谓语？2、there being a Natural Law是整体作on的宾语吗？3、为什么这里要用being？

问题 putting on pace

...on a battery to deliver the necessary wattage, but also on a second source of power called a supercapacitor. 这里的putting on pace，看翻译是“加速”的意思，但我翻了词典并没有查到。另外，请麻烦说几个put on在考试中常用的意思

问题 tea后面的所有格形式表示什么意思？

I like these dishes but _ is a little too small.A.the tea cupB.the cup of teaC.the tea`s cupD.the cup for tea

问题 冠词a,an的使用

...有的熟人都承认听他的演奏是一种听觉享受。 译文：All of his acquaintances acknowledged that it was acoustic enjoyment to listen to his performances. 问：这里的原文中有“一种”的意思表达，但译文却没有在acoustic enjoyment前加an，表示“一种”呢...

问题 句中的dying是否表示进行含义

The DVD extras include three alternative endings, all of which conclude with Jim dying.句子里的现在分词dying，表示的是Jim dies还是Jim is dying? 学生的想法是dying在这里表示的不是习惯或状态，而是事件，所以应该是Jim is dying，这种看法是否正确？希...

问题 such和so作代词的区别

By doing so (such), we may discover the benefits of simply watching a sunset.这句话中，so为什么不能换为such？such也可作代词，比如：We were second-class citizens and they treated us as such.