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问题 an+名词复数 an extra 2 hours

If you had an extra 2 hours a day, what would you work on?请问老师为什么an后面可以加2 hours？

问题 as 的用法（涉及as adj as it is to do sth）

China Daily一篇文章有一段话【You've got mail ... and it's a postcard - China - Chinadaily.com.cn】：Language is certainly a hurdle in postcrossing for many people - not only Chinese. For postcrossing to work on a global scale, a common communication language is needed so that everyone can...

问题 表示在某楼层用什么介词

The young college students occupy an office _______ the 20th floor. 填什么介词？in还是on？

问题 简单句与复杂句

曹老师：您好！在章振邦老师的语法书中有一个关于简单句和复合句的解释（如图），想请问一下the students I teach不能算是定语从句做主语吗？如果是的话怎么又是简单句呢？恳请老师解答，谢谢！

问题 如何用英语表示“上某某中学”

“上学”英语用 go to school，但如何表示“上红星中学”，上“长沙市六中”呢？

问题 语法分析

I was living in so much frustration that that was my escape,to go to school,and get ahead and do better第二个that是作形式主语吗？如果是为什么不用it呢？如果不是做形式主语，那么是什么呢？

问题 名词作定语的规律

我发现有时可以直接用名词作定语，有时却不可以，这有什么规律吗？比如，我们可以说 pen friend，但不能说 school friend，这有什么特别的讲究吗？

问题 of which加名词还是名词加of which

I have seen trees, _____ open at sunsise and close at the sunset.A of which leaves  B whose leavesThere are altogether elenven books on the shelf of which five are mine.请问什么时候才能of which后加名词？第一句跟第二句的区别是什么？

问题 as比较分句对管控项的修饰

...饰形容词”。2、I don't have such a pen as needed.3、These houses are sold at such a low price as people expected.4、Children do not use such inflections as are used in mature adult speech.5、He is as tall as I（am)问题1：请教曹老师。通过类比，以上这几个例句也是a...

问题 2008年上海交大考博英语完形填空

Big cites today are confronted with very serious problems. Transport is a major difficulty: some planners believe in mass transport system;others believe in making it possible for citizens to move 【C1】______ in private cars. There are several ways of 【C2】______a public transport system. Some...

问题 therein的用法

...rpened there; smooth with many little fingers that have clung there. There are andirons with rings in the top, (2) wherein many temples of flame have been builded with spires and turrets of crimson. There is a broad, worn hearth; broad enough for three generations to cluster on, worn by feet that ha...

问题 Cats are playful animals.是否缺冠词

_____ cats are _____ playful animals.请问：两条横线上是否需要填冠词？如果要，应该怎么填？

问题 什么是对象状语和方向状语

关于对象状语和方向状语总搞不清楚，能否请专家具体总结一下。举个例子：I have a question for you all，这个for you all是对象状语吗？the planet will be exposed to climate risks.这个to climate risks是主补还是方向状语还是对象状语？

问题 in与one的区别

—Do you have a QQ number?—No. Can you tell me how to get ___?这里空格里填one,想咨询老师们的是什么情况下会用how to get it?how to get it和 how to get one 的区别是什么呢？谢谢老师！

问题 句子主句是虚拟语气吗

For example, an estimate would be appropriate if you're having a casual birthday party and want to know roughly how many bags of chips you should buy.请问老师：1 an estimate would be appropriate这里主句是虚拟语气吗？2 有这样的吗？主句虚拟语气，if条件句陈述语气