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问题 be certain that是否省略that吗

"You let us in or we'll break down this door!" He wondered if they were actually getting a ram of some sort to batter at the door. He was reasonably certain it would hold.He was reasonably certain it would hold. 是 be certain that 的结构吗？that 怎么可以省略呢？

问题 ​怎么理解but和nonetheless放在同一个句子里使用

The book is too long but nonetheless informative and entertaining.在这个句子里 nonetheless 是个副词 = despite this fact， 前面的 but 是什么词性？如果 but 是连词，为什么后面不接句子？这里 but  和 nonetheless 都是让步，两个一起用不是重复了吗...

问题 whereby 的用法分析以及句中起什么作用

...carbohydrates are converted aerobically into carbon dioxide and water with the release of large amounts of energy.句中的 respiration 是主语，is 是谓语，that 是从属连词引导表语从句吗？那 whereby 在句中起什么作用？是做副词吗？有人说它是引导词？

问题 有关whether to从句在句中的成分疑问

The panel has not yet reached agreement on a crucial question,however, whether to recommend legislation that would make it a crime for private funding to be used for human cloning这里的whether to是做question的同位语吗，however是插入语吗谢谢回答！

问题 before之前什么时候用一般过去时和过去完成时

比如：Her book，“Determined，Dedicated and Disciplined To Be Fit，”came  (come) out in April just before she turned eighty．The bus had left before I arrived.为什么两个不一样呢？什么时候用一般过去时，什么时候用过去完成时。

问题 句子理解(涉及whether to...是否用作同位语的问题)

The panel has not yet reached agreement on a crucial question, however, whether to recommend legislation that would make it a crime for private funding to be used for human cloning.请问whether to....是question的同位语吗？

问题 in part at least在句中的是什么成分

Caffeine was a frequent ingredient in these concoctions, presumably because, in part at least, people had become accustomed to the stimulation that coffee and tea provided.in part at least 在句中的成分？

问题 have one's fair share of怎么理解

Nicknamed the "Songshi Quan", which translates to "puffy-lion dog", a newborn chow is an indefinitely huggable furball, but also has its fair share of quirks.请问has its fair share of 怎么理解？

问题 much和much of 用法辨析

In his rallies and pretty much all other occasions.President Trump loves to talk about the growing economy.在其群众大会和几乎所有的其它场合，特朗普总统都喜欢谈论不断增长的经济。老师，上句中的much可以加上of的吧？即 In his rallies and pretty much all o...

问题 不定式分析(have sth to do)

... want to give you some facts,and lay out certain realities,so you have all the information to make that decision.这句话中不定式to make that decision可分析为定语，此时是同位关系吗？但根据句意，不定式能否是目的状语？即“以便于你作那个决定有足够的...

问题 have cleaned 表动作和状态的歧义

...近被解雇了。这个我是可以理解的。但是这个i have cleaned the car. 我可以按动作理解为：我刚把车洗干净了。但我不知道要怎么像been fired 一样按状态理解为：我曾经洗过车？（过去事件）就是这一点我不太理解。原书的答案是have...

问题 and是否多余（at night and when they travel）

A lot of people in the States have a gun handy at night and when they travel. 句中的 and 是否多余？大时间和小时间连用时要用连词 and 吗？

问题 关于同位语是否带冠词的疑问

英语魔法师上有个语法题：Mary Kurt, _____ of the troupe, was strongly against smoking. A. alto      B. an alto答案是A，作者给出的解释是同位语这个位置倾向当专有名词看待，且这个乐团中女低音只有一个人。我很有两点疑惑：1. 我们怎么...

问题 so在常见答语中成分分析与理解

...是代词it所以没有全部倒装吗2.类比之下句型答语So it is the same with me.里面的so又如何理解？I think so.的so又怎么理解？（从词性，成分，修饰谁，翻译角度分析）

问题 关于时态的一些问题

...的语境判断，不需要考虑句子其他部分的时态？比如：“The moment （）soon，”he thought to himself, waiting nervously.2.如果在文章中，比如说今天是周日，我第一段写上周一的事情，第二段写上周二的事情，采用一般过去时就可以了，...