问题 trap between floors 为什么用between 而不是among

问题 主谓一致选择题

为什么直接选B而不是A，My Antonia不是第三人称单数吗，后面用is:Willa Cather considered her novel of life in nineteenth century Nebraska, My Antonia ______.A was her best work      B her best work C her best work it was D being her best work 

问题 even, while even 相关疑问

While even the modestly educated sought an elevated tone when they put pen to paper before the 1960s, even the most well regarded writing since then has sought to capture spoken English on the page. 此处的while even与even该如何理解翻译？while even是不是是个词组呢？

问题 in that 还是 in which

It put us in a special place with customers in that they could come to the site and get honest and comprehensive请问老师，如何理解 in that ? that后面从句不缺成分，这里是把当成in which一样吗？还是 in只是副词，that后是主语，代指it？ 

问题 You left London as fast as you could...为什么用could

You left London as fast as you could...后面 You could..为什么用could,差实义动词？

问题 either…or, neither…nor连接句子

...资料上查到 not only…but also 可以连接句子（但not only后面的句子要用部分倒装）：Not only did he promise to do it, but he did it.他不但答应做，而且做了。Not only doe she speak English but also French. 他不仅说英语，而且还说法语。Not only did h...

问题 One in…作主语时谓语动词用单数还是复数

One in five pregnancies ______ (end) in miscarriage. 请问如何填？是填 end 还是填 ends？

问题 insist 后面用 not be 是什么用法

Sam insisted that he hadn't broken the law and not  be  punished.这里为什么填 be，而不是 was，not 为什么在 be 前面呢？

问题 用doing+sth和to do 有什么区别

1. He came to me to seek an alliance.2. He came to me seeking an alliance.

问题 冠词的类指问题

...对这段解释理解有问题。Note that we cannot use a/an in this way when we are generalising  about all of the members of a group together.1.The tiger is in danger of becoming extinct.(Not A tiger is in danger of becoming extinct. )按照常见的解释，Tigers are in danger of becoming exti...

问题 because if...分析

...下面这样的句子，because if...属什么结构？既是原因状语从句，也是条件状语从句？这是一种什么语法现象？He had to stop talking because if he’d kept on, the stuttering would have started. 他不得不停止讲话，因为如果他继续下去，口吃就...

问题 做伴随为什么用ed不用ing？

各位老师好，下面这个句子里：They do not gaze alone, scattered widely across the landscape, but together, as a herd.为什么是scattered不是scattering？不应该是主动分散么？谢谢！

问题 which he was 是必须省略的句子，不允许补全吗？

But on the next evening, when the music was playing loudest at theAlcade Zamora's baile, into the room steps Judson Tate in a newwhite linen clothes as if he were the biggest man in the whole nation,which he was.句末which he was如何分析理解? 这个句子要补全吗？例如which he was ...

问题 如何分析这里的as

Over coming months more users and governments worldwide will debate tech's role as powerful gatekeepers for society.这里的as起宾补还是定语作用，又或者还是应该理解成比较含义呢？

问题 当lack作为名词的用法

lack既可以作动词也可以做名词，当作名词是通常后面接of 短语，我想问一下这个of短语是作为后置修饰lack还是lack of做限定语修饰后面的名词？