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问题 名词studying和study(研究)有什么区别

亲爱的老师，请问这个句子中，为什么用studying而不用study, 二者都可以作名词，表示“研究”，有什么区别吗？Psychologist and behavioral scientist Nicholas Epley oversaw a key studying into self-­enhancement and attractiveness.

问题 副词用逗号隔开

1.The house-price boom is not just a result of policy, however.2. Structural forces are at work, too.老师，请问为什么这两个句子后的副词，however和too都要与句子用逗号隔开呢。有什么意义呢？

问题 完成体的用法疑问

...以还辛苦您再帮我看看：1.我之前问的这个句子The speaker has talked for over two hours，您说这是事件的发生并持续到现在。这里我没对上号，我理解现在完成时的事件意义仅限于动作的结果对现在的影响，为什么这个也是事件意义呢...

问题 to have been作表语还是宾语呢

AIDS is said to have been the biggest health challenge to both men and women in that area over the past few years.想问下各位老师，to have been 这里是做什么成分？我看答案解析为不定式作宾语。但网上也有人说是表语。另外，AIDS is said to是被动语态吗？...

问题 write to do sth与write doing sth的区别

比如下面两句话，它们有何区别：He wrote saying that he had sold his house.He wrote to say that he had sold his house.

问题 during this times与during this time的区别

...ctor. He stopped working10 years ago, but he is one of millions of Kenyans who can't afford to retire. "During this times, I had a lot of times in my hands and to supplement what my wife was bringing in I looked at my environment, what my environment was lacking at that time,” he recalled...

问题 what和who的从句区别

she is not who she used to be.she is not what she used to be.Iphone is not what it used to be.有人说what和who翻译出来没什么区别。

问题 形容词怎么会用在介词后面（from poor to adequate）

London's transport infrastructure has gone from poor to adequate.请问老师 poor, adequate 作为形容词怎么接在了介词后？

问题 such that 句型和 would have been unable to 句型分析

The woman’s condition is such that she would have been unable to communicate to staff that she was pregnant or that she had been assaulted.问题1：such that 句型？问题2：would have been unable to 句型？

问题 句子中的that从句做什么成分

...arrator says that he's so relieved and happy that the cat is gone from the house that he barely feels any guilt at all over the murder of his own wife, and that feelings of remorse disturb him but little.求指教！老师，这个句子三个that从句，分别是做什么成分呢？我的理解...

问题 不定冠词

Experts think that _______ recently discovered painting may be _____Picasso.A. the;/      B. a; the       C. a; /      D. the; a答案是D 老师 我不明白为什么第二个空用a 是指毕加索的画 所以用a 是吗 这是不定冠词哪种用法...

问题 They have built the house for 2 years.

They have built the house for 2 years.谓语动词build是持续性动词，加上2 years持续性时间状语。按通常语法理解：建造的动作持续了2年。不能理解为什么语法书上说，上句是错句。查了一些资料，也没看懂明白。麻烦老师详解，谢谢！

问题 was sufficient 前是否有一个关系代词which或that省略了

...ir neighbour Lady Lucas. Her report was highly favourable. Sir William had been delighted with him. He was quite young, wonderfully handsome, extremely agreeable, and, to crown the whole, he meant to be at the next assembly with a large party. Nothing could be more delightful! To be fond of dancing ...

文章 whomever还是whoever

...范大学出版社2008）第552节有例句如下：Give it to whomever ( =anyone whom) (not whoever) you like．（Whomever 作like 和to 的宾语）上述句中的(not whoever)说明张道真教授否定了Give it to whoever you like。但实际上，上句中用whoever取代whomever是完全正...

问题 有几个问题想劳烦刘老师

....这几句都是书上的what'the weather like?和这句which coutry has weather the most like china's?weather前不用加the吗3，members of the sentences 和five kinds of sentences ，后面这句也没加the。4.同样2句话中书中的，fill in the blanks with the words in the bracket...