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问题 定语从句前面为什么没有先行词

I tipped the cops off about Max and where he was going to be that night.这里的 where 是引导定语从句吧！但为什么没有先行词呢？

问题 something是某物还是某些物

...现实中我们却好像有某些物体之意，比如There is something to eat. 这里有一些吃的或I will show you something.我要展示给你一些东西。可是词典中好像没有一些事物这样的解释，请问为什么？

问题 cut from还是cut off

It is strong enough to knock spectators off their feet and cut power from more than a hundred thousand homes. 是不是应该换成cut off?

问题 句子成分问题

请教一下各位老师，以下问题:1. He worked very hard, only to fail again.这里的again是什么副词作什么状语呢？ 2. Dad married Mom twenty years ago.这里的ago是时间副词作后置定语修饰名词twenty years吗？那twenty years ago一起组成什么词组作时间状...

问题 关于一般体表示状态

I usually go to school by bus. 这个表示的是一个不可预料结束的状态但是关心的时间是现在的点意思是现在这个点，本状态存在着，但是我有一个问题：当一般体表状态的时候，关心的点表示状态在那个时间点存在然后关心的点向右...

问题 副词加过去分词

It carries a needle that is engineered to penetrate the lining of the stomach only when the device’s flat section sits flush against it. So aligned, the needle can then inject its payload painlessly into the stomach wall.So aligned 在此句中是什么意思？So是指代前文吗？表示如此...

问题 句子成分分析

Luckily, recent years have seen increased efforts to stop young people from picking up this bad habit. 1. 这样翻译对吗？“幸运的是，近年来人们加大了努力来阻止年轻人染上这种坏习惯。”2. 这是省略句吗？如果不是，为什么不是 We做主语，而是 rece...

问题 此空能不能填of

The P50 Pocket is expected to go up against the Find N _____ Oppo unveiled last week.答案给的that/which，此处能否填of，为什么？不能unveiled作Find N of Oppo的后置定语吗？

问题 这句话的比较级结构

There were actually four times as many bird pairs, or couples, living in the stream-edge habitat compared to the area away from the stream.为什么只有一个as?

问题 句法分析：forward作不及物动词

Now it was my turn as they motioned Henry and I forward to utter the oath.请问这个forward可以作不及物动词吗？词典中好像没有这个用法。谷歌语料库里找的句子。

问题 句子成分分析

I'd begun to see the people rushing by outside in the mall's concourse as a river of humanity.(专四真题选句)老师您好，我想请教一下：这个句子句式如何分析，这里的outside是个副词还是名词呢？后面的“in the mall's concourse”是做outside的后置定语，...

问题 这个句子的yet是什么用法

We cannot experience the full benefits of a university education without having our ideas challenged, yet challenged in ways that allow us to grow. 请问老师们,这个句子的yet是什么用法？

问题 that-从句的语法分析

The fact that so many people still smoke in public places suggests that we may need nationwide compaign to raise awareness of the risks of smoking.第一个that引导的是同位语从句，那第二个that引导的是什么从句呢？怎么分析的？

问题 day and nignt时态问题

Xiaoming ____on the project day and night to meet the deadline.A. works   B. is working请问这道题可否选A呢，选B的原因是因为后面那个不定式吗？

问题 -ing结构大辨析(现在分词短语、独立主格结构、with复合结构)

... the last 30,000 years, with social environment being a major contributory factor.with 复合结构最不懂，我只知道介词可以+名词/动名词，with复合结构是不是with+动名词，因为是动名词，所以后面还能再拓展的结构？ 看到曾老师这段↓↓↓&n...