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问题 but 表示除外 有何限制？

but 表示除外 有何限制？Nothing can be said to be certain ( ) death.A.butB.except答案是B，请老师讲下but错在哪里，谢谢。

问题 it是形式主语吗

How does it feel to be alone all day? 此处的it是形式主语吗，为什么此处的feel用单数啊?谢谢老师解答!

问题 句子结构分析

Hearing allegations of cruelty to animals in research settings, many are perplexed that anyone would deliberately harm an animal.请问各位老师，句子的主干是many are perplexed，that引导的是宾语从句，该如何理解形容词后面+宾语呢，省略了介词吗？是所有的形...

问题 关于名词性从句的疑惑

1.what is important is to learn from them.what is important是名词性从句作主语吗？2.Remember what our professor said.what our professor said是宾语从句吗？

问题 情态动词后加动词的什么形式

请问曹老师，经常说的“情态动词+动词原形”原来是省略了to的不定式，为啥不是动词原形，毕竟动词的五种形式也有原形？ 我这种错误观念持续了好多年。

问题 这是嵌入式定语从句吗

请问各位老师，方框里的句子是嵌入式定语从句吗？如果是，which既这个定从里的主语，也是prefer的宾语吗？prefer后面的to that...应该怎么理解呢？

问题 句子分析

Far away the outline of the island is just discernible. 请问老师，这句话的结构是怎样的？far away放到句首是什么成分，相关的语法知识是哪一块？谢谢老师。

问题 while用法

In contrast with the making of whisky or beer, the grains are usually fermented while solid. while在这里是什么词性？修饰谁？

问题 be always doing/has alwa​ys been doing用法问题

In the past the big clock __ the hours.请问这个空格处,为什么不能选择 "was always striking" 或 "has always been striking"  ,"过去总是",或者"过去一直",不是也说得通吗?

问题 This is a more carefully researched article than his book was错在哪里

网友前面的一个问题（https://www.cpsenglish.com/question/57387）中有这样一个句子：This is a more carefully researched article than I have read this semester.我《剑桥英语语法》上找到这个句子时还找到了个相关的错句：误：This is a more carefully researche...

问题 grateful与thankful的区别

We are very ______ (感谢) for what you’ve done.答案是填 grateful。为什么不能填 thankful？

问题 whatever 还是 whichever

Everyone was grubbing for ______ food they could find.A. whatever    B. whichever请问选 A 还是 B？为什么？是否可以认为A和B都可以，只是意思有所不同？

问题 倒装句的疑惑

A girl is lying on the couch.这个句子能否转化成There be句型，如果能转化，转化后的句子是什么？A girl is lying here(there).如果把它变成倒装句就是Lying here(there) is a girl?这两组句子:She is lying on the couch.和She is lying here(there).前面那个句子...

问题 句子错误辨析

In the nineteenth-century America, scholars were concerned with neither the origins of philosophical thought nor how societal laws developed.

问题 into用法

There were still forests closely surrounding Bangkok into the last half of the nineteenth century里面的into是什么意思，没见过这种用法