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问题 nothing和none的区分

She got up to get some sleeping pills but found there was____left at home.A. nothing      B . none老师 请问选哪个？为什么另一个不能选，谢谢老师！

问题 must 表将来推测

Can you imagine what it must be like to lose your job after 20 years?你能想像得出干了 20 年之后被辞退会是什么样的滋味吗？这是牛津词典imagine中的一个例句。语法书上说must不能对将来推测，但这句话很明显就是对将来推测。请老师帮忙分析...

问题 情态动词的时态问题

James _______ get a copy of that book before they closed the shop. A.could B.must C.might D.was able to我感觉ABCD都可以啊，时态和语意都通。答案是D。能逐个解释一下为什么行或不行么？

问题 than引导的比较状语从句

Some others suppose they are more likely to be better paid than otherwise if they get more certificate. 这句话中otherwise后面省略了什么嘛？感觉好像otherwise是和if连在一起的有歧义。

问题 句子成分分析

It was believed by some that the power of persons whose heads were taken was added to that already possessed by the successful warrior or his village.这句话中的that already possessed…中的that是什么成分，怎么分析这后半句的成分？这句话的宾语是哪个？

问题 reduce和decrease的用法

reduce/ reduce by 60 to 80 million tons减少6000万到8000万吨请问老师，reduce和reduce by是不是一样的，只不过一个是及物，一个是不及物？还有decrease和decrease by，也是以此类推吗？谢谢老师。

问题 定语从句中可以做表语的关系词

I still remember the sweet little girl ____ she used to be.这道题填写that,who,whom都可以吗？谢谢指点！

问题 定语从句可以没有主语吗

The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them. 这个句子是一个定语从句，然后which是sundial，them是timepieces ，这个句子还原应该是rugulate timepieces with accurate sundials.这样就没有主语了。

问题 anywhere是做不定代词还是副词？

Did you go anywhre interesting?这句话中anywhere是做代词还是副词？如果是代词，难道不应该用 go to吗？如果是副词的话，那么interesting和anywhere到底是谁修饰谁呢？

问题 一个小句子的问题

we will make all the necessary arrangements for the replacement for defective parts介词for后可否用动名词形式？...for replacing the defective parts.或者用不定式来表达we will make all the necessary arrangements to replace the defective parts望老师解答，谢谢！

问题 请帮助讲讲代词所有格

所有格的代词，比如yours、hers和your、her有什么区别？我查了很多词典也没有看出来，请帮助给讲一讲。还有，是应当the store to of you，还是应该说the  store of yours？两者有什么区别？

问题 depending on可以用作方式状语吗

The expert desires to repair the machine depending on this technology.请问这个句子用得对吗？尤其是将 depending on用作方式状语对吗？

问题 名词短语作状语吗（是什么状语）

A precocious child, she went to university when he was 12.请问这个句子中的名词短语 A precocious child 是状语吗？如果不是，它是什么成分？如果是状语，它是什么状语？

问题 定语从句的理解

Also, cable advertisers generally do not have to make the large up-front commitments, which may be as much as a year in advance, the networks require.请问老师，which的先行词commitments may be as much as a year in advance. 承诺是一年，这应该如何理解？

问题 not后be动词的形式

in disbelief是这么解释的:not being able to believe something.1.not后面可以加be动词的什么形式呢?2.为什么这里可以直接not加be动词的ing形式呢？