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问题 which定语从句疑惑

...e braces is quite a vital consideration for different injuries which may be intended for prevention as well as the incorporation of a comprehensive treatment plan.请问老师：which定语从句是修饰什么呢？修饰The use of knee braces吗？这是分隔式定语从句吗，被谓语部分...

问题 句子结构分析as的作用

Upon its completion in 2025, the HuajiangCanyonBridge will be the world's highest as measured from the water surface — spanning a massive gorge in southwestern China.大意知道，但是，句中的as是什么词性，什么作用？辛苦专家老师分析以下句子结构。

问题 could have passed anywhere for...这里是推测，还是虚拟语气？

...y, and they said they couldn't for the life of them see why you should be dowdy just because you had written a novel; if you had a neat figure you might as well make the most of it, and a smart shoe on a small foot had never prevented an editor from taking your "stuff." But others thou...

问题 let things happen是否是固定搭配

I need to be patient and let things happen. 此句中let things happen是否是固定搭配，在字典里没找到。请请专家指教，谢谢！

问题 climate change前为什么没有冠词

One of the biggest dangers facing us may be climate change.请问：句子中的 climate change 前为什么没有冠词? 它不可数吗？谢谢！

问题 这是非谓语的虚拟用法吗

It is time that the children were in bed.=It is time for the children to be in bed.上文第二句是虚拟吗？因为两句相等，同时第一句还是虚拟，所以第二句会不会也是虚拟。谢谢回答。

问题 as early as 用法

The festival began to be observed as early as in the Warring States Period.句子里as early as 后面的in是否多余呢？我在语料库里没找第二个as后面加in的，如果加in，那as什么词性呢?

问题 satisfied还是satisfing

请曹老师能够帮我解答:The policeman put down the phone，____with a smile on his face．A. satisfied   B. satisfying  C. to be satisfied  D. having satisfied为什么不选B而是选A，我认为这两个动作应该是同时的啊。

问题 what的主语从句

This book will show you ________ can be used in other contextsA. how you have observedB.what you have observedC. that you have observedD. how that you have observed本人对what引导的主语从句不是十分了解，希望大家能够给予一些建议。（本人是英语初学者，莫要太深...

问题 that后面是动词还是名词

The marginal wetlands that remain continue to be threatened by reclamation for farms and homes. 如何理解此处的remain continue？ 难道remain后面可以接动词吗？ that remain不是做The marginal wetlands谓语吗？ continue这里又是一个谓语？ 双谓语吗？

问题 关于现在分词和过去分词

请问老师，这道题:_____of their bad habits, the boys switched from being dependent on their parents to sacrificing for others.  A. Having rid  B Rid 到底是选A还是B呢？我看网上这两种答案都有，求助老师解答。

问题 and是否属于画蛇添足

Oversight may be weaker. And the development of vaccines and treatments adds to the risk of bribery and profiteering.老师您好,请问第一句是句号，第二句加了一个and 是否属于画蛇添足。

问题 从句成分的疑惑

They tried to restrict access to___they believed to be dangerous areas.A, whatB, whichC, thatD, everywhere答案选择D。1. 请问A为什么不行呢，由what引导的宾语从句，在从句中做they believe的宾语2. 可以把they believe当成插入语吗3.选择D，是不是把to everywhere...

问题 that从句的分析与理解

A high level facade is supplied that simplifies common use cases. No information is duplicated that can be obtained via reflection.这两句如何理解that是什么从句，定语从句的限定词不是在从句的前面么？这个是主语补足语从句么？

问题 to do还是to doing

It shows that there may be an inherited element to writing good fiction1.不定式里为什么是 writing 而不是write? 2.这块里面是 sthing 还是 doing