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问题 ask后接that-从句要用虚拟语气吗

ask后接that-从句要用虚拟语气吗？比如：He asked we be sent to the front.

问题 关于连词后接分词的疑问

看到本站看到一个问题：https://www.cpsenglish.com/question/8101其中有When doing homework, he often listens to music.这个句子这里的when doing应该是等于when he does homework还是等于when he is doing homework?  希望老师解惑，谢谢！

问题 it是否为形式主语

Its details remain murky, but the deal is thought to involve the exchange of cheap Iranian oil for help building telecommunications networks, hospitals, underground railways and, it is rumoured, ports on some of the world’s most strategic waterways. 如果是形式主语，代替什么呢？还是...

问题 regarded as out of疑问

In the United States，a person would be regarded as out of his mind if he dared to challenge the authority of the dictionary.怎么理解这里的as out of结构？

问题 句子改错(涉及so, by)

If we decide that language did originally develop, possibly involving from animal communication, we can only do so by assuming evolution to be a universally valid principal. 这句话改错说把by去掉。请问老师so这里指代什么，不去掉by好像也翻译的通。

问题 非限制性定语从句用that引导

This last fact, that that is obligatory, should be easy to remember.请问这里的为什么用 that 引导非限制性定语从句？另外，为什么这里有两个 that？

问题 不定式在口语中可以单独使用么

And now to see the end of the football game. 例如这句就是口语，此句不定式是单独使用么？在口语中可以。书面语就不可以了是么?

问题 where在句中的用法

Other examples might be where one student is given a picture and describes the picture for another student to draw, or where students draw each other's family trees. 老师好！这里的where是什么用法？是引导表语从句吗？可是这里没有疑问的意思啊？

问题 once that…为什么是错的

Remember that you won't be able to cancel the contract once that you've signed.这个句子中的 once that 用错了吗？为什么呢？

问题 不定式是结果状语还是目的状语的区分

When you cut it off, another one would grow to take its place. 请问：句中的不定式是结果状语还是目的状语？

问题 如何理解too（也）用于否定句

Kids these days already have enough stress from school. They do not have time to study and do housework, too.这里的句子有否定词，怎么用了too,此时的too怎么理解呢？怎么讲?敬请专家老师详细讲解，最好附有更多例句，谢谢。

问题 这个强调句可用when吗？

It was about seven or eight days ago ________ we heard the news that he had gone to London.这是一个强调句，空格处填that肯定是对的，我的猜想是：由于被强调的是时间，请问这里除了填that外，也可填when吗？

问题 两道非谓语动词难题

1. Whom would you rather _______ the work? 答案是have do。我写的是have to do。为什么啊？ 2. What’s troubling them is _______ enough experienced workers. 答案是their not having。我写的是not their having。为什么啊？谢谢！  

问题 名词性句还是定语从句

...好。Tired and disappointed, the resure team finally reached ______ used to be a village.这里的空填what。 答案说这是名词性从句，但我觉得空前面不缺成分，reach 不是个不及物动词吗？后面又缺成分，应该是个定语从句啊。谢谢老师的解答。

问题 英语句子翻译（英译汉，有点难）

They predict there is a greater than 90% probability that by 2100,the average growing-season temperature in the tropics and subtropics will be higher than any temperature recorded there to date.请专家老师帮忙翻译一下！