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问题 say的用法疑问（前后有逗号）

And the full economic benefits created by a road, say, are not captured by the organization paying for it.这里的say是什么用法?

问题 关系词 where 和 which

I want to find a place where is quiet and good.这里place 做从句的主语，关系词为什么用 where, 不是用 which 或者 that 呢？难道是因为 where 可以做主语或宾语？

问题 形容词作状语的用法

He screamed and fell on the ground unconscious.为什么不是unconsciously 是因为修饰的是he 的状态，而不修饰动词吗？而不修饰动词的原因是因为这个词不能同时修饰这两个动词吗？谢谢老师!

问题 翻译句子问题

...的?2.You must choose the best answer from the four choices marked A,B,C and D.这里的marked，是形容词词性,意为"打上标记的"吗？

问题 有8个that的句子

That that is is not that that is not, and that that is not is not that that is.见到这样一个句子，不太明白它是什么意思，也不会分析。请教一下。

问题 名词性从句how

I realized how little time I had spent outside the university libraries and my living place.  请问曹老师，这里的how 如何解释？如果是由感叹句转化而来的宾语从句，那么how 不是只可以修饰形容词或者副词，what 后跟名词吗？有点琢磨不明白了。

问题 句子分析

Dr Jet Sanders, who worked on the study while a PhD student at the University of York, said:“ Failure to detect synthetic faces may have important implications for security and crime prevention.”问题：1.while a PhD student是省略了什么吗？2.at the University是修饰worked还是前面...

问题 from which的分析

In adolescence, I hated life and was continually on the verge of suicide, from which, however, I was restrained by the desire to know more mathematics.请问：from which做什么成分？which指的是什么？

问题 capture 在句中的意思

Other standardized tests, such as the Scholastic Assessment Test (SAT) and the Graduate Record Exam (GRE), capture the main aspects of IQ tests.这句中的capture 如何理解呢？求解释

问题 关于代指用法的疑问

当在一个句子的句首用代词代指前一句或是前一句中的某个部分（两句之间隔一个逗号），如果两句之间没有and，but等连接词连接，是否一定要用which,who等连接词呢？

问题 off表示使用的用法

 He has a house in every capital, has his dinner off gold plate, and can prevent Russia going to war when he wishes.off在这是表示使用的介词吗？和with和by有什么区别？

问题 turn on 有转身的意思吗

 He turned on the policeman swiftly and fiercely.turn on 教材上说的转身，面对的意思，网上查不到这个意思？

问题 Have …to do用法

our rabbits are regularly cleaned and have all received the required shots. 其中have received为什么用过去式？have …do难道不是不定式省略了to吗？解释成过去分词也解释不通…

问题 句中about it作什么成分

此句中about it作什么成分，感觉没有必要使用啊!The secret to eating less and being happy about it may have been cracked years ago.

问题 关于副词做表语的疑问

老师好，语法书上有个例句：She was so slenderly and prettily the women句中的slenderly prettily都是副词，为什么不用形容词？如果做定语的话，看答疑网上老师以前的答案，都是时间副词和方位副词能当定语，但须后置。