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问题 名词laser（激光）也是可数名词吗

The operation on his eye was done with a laser. 用激光对他的眼睛做了手术。句子中的 laser 前用了不定冠词，难道 laser 也是可数名词吗？

问题 被动语态必须要用情态动词的情况

He can be relied on to help us.章振邦《新编英语语法》写到，上句话中必须带有can 或 could, 否则不能转为被动态，这句话是什么意思？感谢老师的分析和解答。

问题 hail...as...的用法

State media hailed bike-sharing as one of China’s “new four great inventions,” putting it and high-speed rail, e-commerce and smartphone payments on the same plane as paper, movable type, the compass and gunpowder.

问题 with短语所有成分分析

But on the whole, far from being the opposite of, or an antidote to, the world outside, with all its envy, feel, greed, and obsessive competitiveness, the schools are very much like it.老师好，请问这个with all its....是定语还是状语？

问题 regretted可以作形容词用吗

下面句子中的 regretted 是形容词吗？我在词典中没有查到类似的用法：Thus regretted and cautioned on all hands, he took leave of the hospitable household. 

问题 划分句子成分

He countries targeted by the ban, which will take effect on July 14, are considered to be at high risk for spreading the deadly virus, the U.S. Centers for Disease Control and Prevention said.老师，您好，我想请教一下这个句子的成分划分，尤其是逗号后面的成分到底是该...

问题 from above的语法分析

请问句子We'll have our eyes on you from above.这句话中介词from后面为什么可以跟副词above？介词后不是应该跟名词或名词性的词吗，这个from above也不是固定搭配或者固定短语，为什么可以跟副词above?

问题 介词短短语的修饰问题

Why isn't this one in plain clothes? 为什么不是穿便衣的这个人？ 还是为什么这个人没穿便衣呢？ 是 in... 修饰 one？ 还是 isn't 修身in...？

问题 虚拟语气的问题

向曹老师请教几个虚拟语气的问题：It is strange that he should know all this.It is important that he should come.1.我知道“It is+adj+that从句”这种句型可以用虚拟语气，虚拟语气表示感情色彩，比如第一个句子用虚拟语气表示了竟然、震惊等意...

问题 怎么判断现在分词做原因状语

...bsp;White scarcely considers the thought of his employees as well as their needs.A. Even if he is a top executiveB) Being a top executiveC Since he is a top&nbs...

问题 对状语前置的理解

to take positions in court cases opposing the practice中按照正常的语序应该是“to take positions opposing the practice in court cases”，opposing the practice作positions的后置定语。我想问：将状语in court cases前置，这样做的目的何在，或者说是什么语法现...

问题 这句话主语和搭配是不是都有问题

Into this colour composition will be put the major element in the space-the Seating Block.这句话中，主语是composition吗？这里特别不明白。into this color composition应该就是状语了吧？就不能做主语了。还有，这句话后半部分composition will be put 这里已经...

问题 satisfied还是satisfing

请曹老师能够帮我解答:The policeman put down the phone，____with a smile on his face．A. satisfied   B. satisfying  C. to be satisfied  D. having satisfied为什么不选B而是选A，我认为这两个动作应该是同时的啊。

问题 这个to是表示状态的转变吗

I went back to work on Monday.   我周一回去上班了。to work在这里是目的状语还是？We walked all the way back to camp.同理吗?

问题 关于现在分词和过去分词

请问老师，这道题:_____of their bad habits, the boys switched from being dependent on their parents to sacrificing for others.  A. Having rid  B Rid 到底是选A还是B呢？我看网上这两种答案都有，求助老师解答。