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问题 over the last years 有什么错

The decline in the sector is the result of unsustainable growth over the last years.书上说，这个句子中的 over the last years 有什么错？为什么？

问题 where 引导定语从句时的省略情况

1. The building where he lives is very old.2. Do you know somewhere we can get a good meal?第一句where不能省略我知道，要有介词才可以。第二句where为什么可以省略？

问题 19-year-old Asian pop star Candy Wang前为何没有冠词

I interviewed 19-year-old Asian pop star Candy Wang. 谓语 interviewed 后怎么没有冠词a, the 呢？是因为 19-year-old Asian pop star 是 Candy Wang 的定语而 Candy Wang 才是中心词？若果 star 后有个逗号或者 called，则 interviewed 后应有冠词，是这样吗...

问题 than are average 的说法对吗

最近专门看了专家们关于 than 用法的解答和文章，很有收获，但这个问题太难，所以仍有一些疑问，请教各位专家。请问下面一句对吗？She is working harder than are average.对错与否，请专家帮忙分析一下，谢谢了！

问题 关于无动词分句

　　有这样一句话：A broker is one that acts as an agent for others, as in negotiating contracts, purchases, or sales in return for a fee or commission. 请问这里的 as 是连词吗？如果是连词，请问为什么它后面直接跟着一个介词词组 in negotiating contracts, purcha...

问题 so的用法（perhaps catastrophically so）

老师们好，句子最后perhaps catastrophically so中，so指什么呢？But there is a risk that such changes will make some plant infections more common in all climatic zones, perhaps catastrophically so.

问题 是分词作状语还是仅仅进行时被隔开了

He is still at the station looking for his watch.请问,这种句式是分词作状语还是仅仅看作是被地点隔开了的进行时?

问题 这里为什么不用a general agreement？

The busmen have stated that the strike will continue until general agreement is reached abo这里为什么不用a general agreement？ut pay and working conditions.

问题 关于of/from的疑问

The village lies five miles due north of York.The hotel is about three miles due north from here.请教老师：1.这两句中的介词of和from可以互换吗？2.两句话的due north是不是都是作miles的后置定语？of York与from here也是作miles的后置定语？谢谢！

问题 going on在句中充当什么语法成分

There is generally very little unnecessary work going on in a good company.曹老师您好，句子中going on是作动名词修饰work充当名词短语，还是现在分词作状语？

问题 unlucky是名词吗

But after forty days without a fish the boy's parents had told him that the old man was now definitely and finally salao，which is the worst form of unlucky, and the boy had gone at their orders in another boat which caught three good fish the first week.of unlucky这里的unlucky是名词吗？

问题 a new generation和the new generation区别（冠词区别）

The new generation of IT systems requires software development capabilities that support new middleware and emerging application architectures.A new generation of scientists became fascinated by dinosaurs. 上面两个例句冠词可以互换吗，如果可以，换了过后意思的变化是...

问题 关于不定式作后置定语时后面介词省略的问题

...定式后面的介词应不可以省略，即they had a big separate house to raise dozens of chickens in./they had a big separate house in which they could raise dozens of chickens. 不知这是不是仅仅是我个人的错误观念，若观点错误我应尽早纠正希望得到答复！

问题 有这样的省略方式吗？

下面这个句子的结构不太很明白，是省略句吗？He disliked many of his teachers and Miss Smith he liked the least.主要是指and后面的部分，是不是应该改成：and Miss Smith is the one he liked the least.如果是这样的话，为什么可以这样省略呢？即省略...

问题 while doing sth的用法

while doing sth的意思是“当做某事的时候”，请问它是whle sb is / was doing sth的省略形式，这种省略必须要求主句与从句的主语一致吗？