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问题 介词on与for的一个用法区别

The doctor is busy preparing an operation____this patient.A.for  B.on正确答案是B. 但我怎么感觉是用for？难道for就不对了吗？还是答案有误？

问题 定语从句和同位语从句的判断

Singapore has a land reclamation project that builds up additional land from the sea floor.这句话从that充当成分来说是定语从句，但是感觉意义上that的引导的句子是对project的解释说明。那么到底是什么从句呢?

问题 如果理解句子中的but that

He also agreed to tell the Stapletons that Homes and I had gone to London,but that we would return to...老师，如何理解but that? 是另一方面的意思吗，表转折吗？这是个副词短语吗？

问题 as well as和than

The outcome depends on conditions as well as on how events unfold.这里on并列的宾语不对等，是否为语法错误？ As well as 不能连接并列分句，是省略的结果。是否than也可以理解为：不能连接并列分句，是省略的结果？

问题 if only用法

Here is way: Everything for sale has something wrong with it, if only the fact that you have to pay for it.里面if only该怎么理解？if only在一起是连词吗？ If only I had known you were coming I would have met your plane. If only it would snow on Christmas Eve.

问题 地点的维度，经度，高程表述问题

...51m的试验路“，下面的表述正确吗?Silty clay was obtained from the experimental road (Figure 1), at which locates latitude 44.896407° N, and longitude 126.559129° E, and elevation 207.51m.

问题 should have put中的have可以去掉吗

You should have put the book where you found it. 请问这句话中，have可以去掉吗？它做什么成分呢？

问题 be extremely well presented是什么意思

Eric nearly always wins the science award.That's beacuse his project are extremely well presented.句中presented是什么意思? 句中应该如何翻译呢？

问题 被动语态为什么要用加上 being

The movie is also being directed by Peter Chan.  这部电影也由陈可辛导演。这句话是被动语态,为什么要用加上现在分词being？

问题 系表结构还是被动语态（being resolved）

The EU debt crisis is far from being resolved and could blow up at any time. 这里的 being resolved 是形容词的系表结构还是被动语态的？

问题 介词to的用法

#语法求助#centralization also refers to the extent to which people have to refer decisions upwards to their superiors. 这个句子我能理解，我就是理解不了这里to which是干什么用的？如果这个to which一直到后面是介宾短语做后置定语，那which在短语中逻辑...

问题 动名词复合结构是表示完成，还是现在，还是将来

Do you mind Tom opening the window?请问是理解为：你介意汤姆打开了窗户吗？你介意汤姆去打开窗户吗？谢谢老师解答

问题 形容词作定语和现在分词作定语的区别

They have opposite/opposing views on the issue.动词oppose, 其形容词opposite和分词opposing作定语的区别是什么？

问题 such little money的说法对吗

You should increase the salary. None will want to do that job for such little money. 请问这里的 such little money 用得对吗？难道不应该是 so little money 吗？

问题 than的用法

Steve Jobs liked to describe computers as "bicycles for the mind"—tools that let humans do things faster and more efficiently than their bodies would allow. 史蒂芬·乔布斯常把计算机比喻成“大脑的自行车”，因为这一工具能提高人们做事的效率。（这一工具可...