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问题 关于while引导时间状语从句

请问老师，在这句话中He wanted to be sure that nothing happened to it while Wendy went to find the man. 为什么连词用while呢？后面的go不是非延续性动词吗？谢谢老师! 

问题 place of work

朗文place词条有一例句，Did the accident happen at your place of work.工作地点。   学生分析work表示该place的功能，即该place是用来干嘛的，此处应用for，即your place for work.  查了of用法，并无表“功能、用途”含义，请老师解惑！！！谢...

问题 句法问题as anything

But there seemed to be no spark, no daring, no madness, no readiness to engage the individual child's mind as anything other than raw material for statistical reductions.想请教各位老师，as anything在这里是什么用法 谢谢！

问题 come by 和 come 的不同

Come by one day and look at some of other the dogs.在意思不变的情况下我可以把 come by 换成 come 么？

问题 不定式省略 to 的疑问

Where does the woman suggest David go for his next holiday?这是2021年新高考全国卷I听力题中的一个句子。请问为什么 go 前面没有 to？是省略了吗？

问题 be to do的用法

When Mike was to open the front door,he couldn't find his key.请问这里的be to do是什么用法啊？感觉不符合按照计划、安排即将要发生的动作。

问题 what引导的是否是同位语从句

The participants tracked what they ate using an iphone app.这个句子what引导的是否是同位语从句？

问题 for可以引导让步状语从句吗

For all his efforts，he didn't pass the exam.在此处，for是引导让步状语从句吗？翻译成：尽管。但为什么我查阅资料，好像for只能引导原因状语从句呢？请老师解答。

问题 without any 结构

Sentence 1：We came out without making any noise.Sentence 2：I finished the task without make any mistakes.在sentence1中，noise是指“声响”（而非“噪音”），故可数，有复数形式noises，那么为什么sentence1中却没有加s，而sentence2中却加了s（mistakes）?谢...

问题 critical的用法

UV-H2O2 photo-oxidation technology was only available for the advanced treatment of low-turbidity water with a critical limitation of 6 NTU turbidity. H2O2光氧化技术适用于低浊度水的深度处理，降解效果以浊度6 NTU为分界点。请问老师这里的critical怎么理解？

问题 句中to be后面省略了什么

They will pay whoever they find the artist to be，whoever是to be 的宾语吗，那这个不定式是做artist的定语吗?

问题 nothing but 是副词吗

Nothing but a miracle can save her now. 现在只有出现奇迹才能救活她。I want nothing but the best for my children. 我只想给我的孩子最好的一切。这样句子中的 nothing but 是副词吗？

问题 as...as结构的省略问题

Imagine trying to do something as simple as reading the notes on a medicine bottle without good reading skills.这里，第二个as如果是连词，这个句子省略了什么呢？

问题 suppose 后接从句时的时态问题

suppose 后接从句时的时态问题Suppose you ______ (take) your complaints to the manager.

问题 ask to do sth 的语法分析

He asked to see the boss. 他要求见老板。 不定式作什么成分？