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问题 再问关于until,unless的试题

I didn't believe I could do it___I got to the top of Mount Tai.A until   B unlessA答案正确，但是B答案错误的充分理由？另，题干中的could是否应该改为was able to，因为这是过去特定的‘能’，与具体事件有关。盼专家老师详尽权威解答...

问题 这里的for to say 如何理解？

But I will undertake for to say that I've seen the rise of $50000 at a time in that tin grub box that my adopted father calls his safe.请教老师，这里的for to say 如何理解？另外，这里的rise如何理解？

问题 still doing sth和still be doing

the company has a mechanical clock that is designed to still be marking time thousands of years hence.请问这里为啥是still be doing呀 谢谢老师

问题 which means 从句具体指的是什么?

 I think native speaker tend to flow in and out of sound in words,which means the L has to be flexible.请问从句完整了,那which means它指的是主句的哪一个部分,在从句里又是什么成分?? 

问题 请问这句话notice前为什么没有冠词

I asked that notice should immediately be given that I would broadcast at 9 o'clock that night.(选自丘吉尔演说Speech on Hitler's Invasion of the U.S.S.R.)  

问题 不定式做定语的逻辑关系问题

I have a lot of work to do.这里为什么不用to be done？被修饰词和不定式是动宾关系？The meeting to be held tomorrow is very important.这里为什么又用to be done的形式而不是用to held？这里被修饰词和不定式是什么关系？

问题 Being a political science major, ..... (以Being开头的句子是什么用法)

Being a political science major, he started his career in a government office as a junior clerk.请问老师们，这里Being是什么用法？

问题 kind和sort后面的“名词”和“谓语动词”单复数情况

1. a kind/sort of后面加可数名词单数还是复数，可以加不可数名词吗？相应地后面谓语动词是单数还是复数呢？2. kinds/sorts of后面加可数名词单数还是复数，可以加不可数名词吗？相应地后面谓语动词是单数还是复数呢？3. What kind/s...

问题 请老师帮忙分辨以下这些是同位语吗？

a. John Smith often murmurs, in other words, speaks in a very low voice.疑问 ：speaks in a very low voice能看成是murmurs的同位语吗？很多资料上在讲到同位语的概念时，一般是说对名词词组进行解释和说明的词组或句子，但是这里被解释的词是动词mu...

问题 如何理解three other cities has...的主谓一致

The population of London is in decline while three other cities has robust population growth.这里的为什么用 has 而不用 have 呢？还是我的书错了？谢谢！

问题 句末现在分词作什么句子成分

Most ancient festivals would celebrate the end of cold weather, planting in spring and harvest in autumn.问题1：这里的 would 作何解释？问题2：句末的现在分词短语 planting in spring and harvest in autumn 在这里用作什么成分？它可以转化为从句吗？谢谢老师！...

问题 Isn’t this country tricky.是倒装吗

Isn’t this country tricky, the envoys would sigh—though, of course, my country’s relations with it are rosy. Such bragging has become rarer.

问题 英语难句分析（来自牛津字典，涉及never）

牛津字典but 词条下一个例句：She never passed her old home but she thought of the happy years she had spent there.这里用的明明是never ,为什么翻译成：她每次经过自己的旧居，都会想起在那里度过的幸福岁月。

问题 请问这个句子成分如何划分

Wealthy parents have always been willing to spend the vast amount of extra money necessary to send their children  to schools with a perceived educational edge.请问老师necessary是修饰money的吗？在此翻译成必要的钱吗？ 这样翻译对不对？富有的父母总会花大量的...

问题 这句话中 fairly close by是什么成分

And until just recently, most of us thought the sand had come from an ancient mountain range fairly close by that flattened out over time.