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问题 as fast后面省略了什么

Giving the worker a cart greatly improved his efficiency,and now he can work twice as fast.老师，as fast省略了as fast as he can do before.这样理解吗；老师，比较状语从句就要省略吗？

问题 be动词有完成时态吗

For forty years Jane Goodall has been outspoken about making the rest of the world understand and respect the life of these animals.1.has been 是is 的现在完成时，那么 be动词时有完成时态的？2.about介词短语充当什么状语呢?

问题 句子成分

...？谢谢老师。In the seventeenth century the organ, the clavichord，and the harpsichord became the chief instruments of the keyboard group，a supremacy they maintained until the piano supplanted them at the end of the eighteenth century．

问题 before与until的用法

Also, the father seahorse carries baby seahorses and he won't leave them _____ the are big enough to look after themselves.此题参考答案给出until，解析为not...until...句型。但是否能填before？二者表示“直到……才”时有何区别？

问题 if used too much是什么用法

They go out of date quickly and become tiresome if used too much请问这里为什么是用used？

问题 状语和状语从句

...ear ,  while she was driving during a storm , her car ran off the road and hit a tree.请问During the winter holidays in her senior year 的成分是状语， while she was driving during a storm的成分是时间状语从句吗？两个句子都是状语的成分，彼此之间不冲突吗？...

问题 straight修饰动词问题

Go straight ahead and walk about three blocks.1这里的副词straight笔直地是修饰动词go走，还是修饰副词ahead向前？如果是修饰副词ahead，为什么两个方式副词可以连在一起写呢？Light typically travels in a straight line.光通常沿直线传播。2这里的in...

问题 each 后面可以接复数名词吗

在气象出版社1999年11月第一版《中学英语疑难千问千答》第280页上有这样一个句子：Each minutes and each second is valuable to us. 每分每秒对我们都是宝贵的。请问：each 后面可以接复数名词吗？

文章 新人教版-高中英语-选择性必修4-词汇表(附音标)

...rge /ɜːdʒ/ n.强烈的欲望；冲动 vt.催促；力劝；大力推荐 have an urge to有强烈的欲望做某事 random /ˈrændəm/ adj.随机的；不可思议的 maximum /ˈmæksɪməm/ adj.最大极限的 n.最大量；最大限度 explode /ɪkˈspləʊd/ vi. & vt.爆炸；爆破 jolt /...

问题 find it hard to do与find it hard doing都可以吗

I find it hard ____(learn) a new language. 适当形式填空，除了可以填 to learn，也可以填 learning 吗？如果两者都可以，意思上有什么不同？盼专家老师指导。

问题 dare用作情态动词时只用在否定句或疑问句吗

The boy is very brave. I _____ he _____ the tall tree.A.dare say; dares to climb       B.dare to say; dare climbC.dare say; dares climb           D.dare to say; dares climb请问 dare 用作情态动词时只可以用在否定句或疑问句中吗？

问题 initially 可以用于表示“位置”吗

感觉 initially 是用于时间的。比如我查到的例句有：Initially, I didn’t like him. 起初，我不喜欢他。Initially, the system worked well. 开始时系统运转良好。Initially, the work was pretty mundane. 刚开始，工作非常乏味。The ban was initially opposed ...

问题 定语从句中先行词前面有介词，那么关系词前面可以加介词吗

...st the key to the drawer ____ the paper are kept.A. where     B. in which我认为A,B 都是对的。但是有人认为Where因为The drawer前面已经有介词了，所以不能再用In Which。比如我自己造的句子： I live in this building （in which）/（where）he was born....

问题 新概念英语第二册第59课有一句翻译自己不是很理解

I noticed him in the garden near the gate.我发现它正呆在花园里边靠门的地方。我的疑问：翻译1：near the gate是做garden的后置定语。按照字面意思应该是我注意到他在门旁边的公园里。翻译2：呆在花园里边靠门的地方。像遇到这样的句型...

问题 强调句和定语从句的辨析？

But it was her fierce defense of women's rights that defines how she is being remembered.请教老师：1）这是强调句，还是定语从句呢？2）define在这里应该翻译为什么意思呢？3)  ...she is being remembered. 为什么这里有一个being? 记得好像有这样...