话题 having been completed

问题 have been in是“一直在”还是“曾经在”

I won’t go to Chengdu this month as I ____ that city for a long time. 中为什么横线处要填have been in 呢？此时我已不再成都了呀！求 have been in 用法！

问题 see no ugliness or vice 怎么理解

Up to a certain age, the young are to see no ugliness or vice. see no ugliness or vice 怎么理解呢?

问题 2016河南质检短文改错（and与or表示并列的疑问）

there is a growing tendency nowadays for some people to treat animals as living meat or walking fur.参考答案把 or 改为and，解说是肯定句的并列用and，这里为什么不能是 or 表“或者”呢？表示：人们对待动物为活着的肉或者行走的皮草。

问题 to与for有什么区别？

They believe that caring adults have been very important ___________ a young person was born.答案是for.    to 可以吗？to与for有什么区别呢？“对于我”，是to me还是for me？ 

问题 翻译

The empires had yet to work out an elusive compromise that was achieved only too rarely: the viable balance between a rigorous, disciplined mode of government and attention to the ethical values of the humanities. From the outset they faced one question, seen indeed before the days of empire had daw...

问题 同位语从句的先行项

There was just the sense that I had that, look, the press has gone completely insane.第二个that同位语从句的先行项是the sense呢还是the sense that I had？

问题 关于or和nor的区别

Gas is a substance without a definite volume nor with a definite shape.改错正确答案为Gas is a substance without a definite volume nor a definite shape.那么这里可以用without a definite volume or a definite shape 吗？or和nor的区别是什么？感谢大家！！

问题 must have been here是完成进行时吗？

《薄冰语法》2005版的例句： He must have been here since breakfast. 早饭后他一定是在这儿。 书中说 must have been here 是<完成进行时>，其中的 been下是否该有个 being 呢？请专家指正。

问题 The woman 表示类指？

In the old days the woman was kept at the bottom of society, a slave who could be bought, sold or simply discarded.上句the woman表示类指（而非特指）吧？那么这里是否也可以用复数women或不定冠词+可数名词单数a woman来表示类指呢？

问题 介词短语as traveler or diner可用作同位语吗（2009浙江高考）

It makes you as traveler or diner want to land your first fight on their unsympathetic faces.这个句子是2009年高考英语浙江卷阅读理解D中的一个句子。我有三个问题：一是 as traveler or diner 为什么没有冠词？比如说成 as a traveler or diner？二是这个as trav...

问题 关于名词的省略和and, or的用法

1.“有困难的和容易的”可不可以译成are there difficult and easy things... ？可以详细解释一下名词的省略吗？2.为什么这句话不是用or连接呢？请问用or 和and的理解有什么区别？

话题 either...or

话题 用or

话题 or