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问题 available for含义及用法

英语翻译the brain finds it best to keep smell receptors available for unfamiliar and emergency signals such as the smell of smoke,which might indictte the danger of fire.这句话中的 available for如何理解，求详细解释

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 一般现在时的相关疑惑

He’s been informed that he _________for the scholarship because of his academic background.A.hasn’t qualified            B.hadn’t qualifiedC.doesn’t qualify             D.wasn’t qualifying 老师，这道题目...

问题 序数词前面用定冠词与不定词的区别（涉及second chance和first impression）

First impressions are the most lasting. After all, you never get _____ second chance to make _____ first impression. A. a; the                   B. the; the         ...

问题 idea of doing sth还是idea for doing sth

What are your ideas for solving the problem? 专家老师，这里的介词 for doing sth 能否改为 of doing sth? 意思有什么不同吗？谢谢。

问题 never mind+that从句的用法

...紧跟that引导的名词性从句most travelers nowadays have smartphones with built-in alarm clocks.学生查资料后尝试对本例分析：never mind有时可以当连词使用，有时也可以理解成使用在祈使句场合，相当于don’t mind that....。请教老师：怎样结合上...

问题 关于形容词后置定语用法

Inside the room a dreadful mess greeted us. 关于这句，a dreadful mess 是形容词和名词构成短语后置吗？意思形容词和名词也可以构成定语？还有这一句里 a 已经表示一间混乱不堪的房间 a 和 the 不是不能同时出现？

问题 be proud to do sth与be proud of doing sth

We are proud to say this forum is the heart of our website.这是高中英语新教材译林版必修1第2单元的句子(p20)。请问这里的 proud to say 可以改成 proud of saying 吗？

问题 关于as做从属连词

...为从属连词怎么在句子中做主语成分了？难道as也像where,when一样是融合型关系词？

问题 作状语用现在分词还是过去分词（writing与written）

...老师解答一下：____，your composition is full of mistakes.A. Writing carelessly       B. Written carelessly C. Having written carelessly .   D. Being written carelessly为什么A不对呢？A与B之间...

问题 什么是“动名词的复合结构”

At the beginning of class, the noise of desks being opened and closed could be heard outside the class. 有人说下划线部分充当的语法成分是“动名词的复合结构”，请问这是什么意思呢？

问题 可以用part in my life 吗？

短文改错我把in改成of，原句：it is a important part in my life，可是答案却认为这不需要改，直到我刚才看了一部影片，里面清楚的说到part of my life.

问题 难句句子结构分析

As a result,the support for ambition as a healthy impulse,a quality to be admired and cultivated in the young,is probably lower than it has ever been in the United States.这个难句的主语是什么？我知道谓语是 is probably 这部分，求讲解!

问题 动名词用法分析

Having such high-profile global research from the IEA showing such a big impact should help shock policymakers into addressing coalmine methane.请问句中the IEA showing such a big impact整体做from的宾语，还是from the IEA做research的后置定语，showing such a big impact做伴随状...

问题 should提到句首的特殊倒装句

The firm now hopes to work with human volunteers, perhaps as early as next year should America’s Food and Drug Administration play along.      为什么后半句要倒装？是因为as吗？是副词+as的结构导致的让步状语部分倒装吗？可是副词没有在句首呀？