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问题 each在这个句子中是什么词性，修饰谁？

First,choose an instrument each from the music room！有些不理解为什么each放在instrument后面？ 它现在是什么词性，修饰谁？

问题 and 后面的句子没有 be 动词

Whittingham started his research into lithium batteries in the 1970s at a time when world oil prices were high and energy availability a big concern. and 后面的部分是不是少了个 was？

问题 to的用法

to有一个用法： ★ used to show the person or thing that is affected by an action （引出受事者或受体）对于，关于 She is devoted to her family. 她深深爱着自己的家庭。 her family is affected by an action？ What have you done to your hair? 你怎么把头发...

问题 这句话的时间状语该怎么理解

Our friendship _____ quickly over the weeks that followed.A. had developed       B. was developing       C. would develop       D. developed

问题 请分析以下upstairs 和 flying的词性

Mr.Taylor was upstairs. ....Chair and tables went flying into the arcade.请问，upstairs在这里是什么词性?副词还是形容词？是表示“在上楼”还是“在楼上”？went flying 这个flying 是名词还是形容词？

问题 这句话是不是少了标点？

how to keep their mind on what they are doing by making it do the work without which no profit can be earned . 老师好。这是一句话，还是两句话呢？

问题 不定式作定语问题

不定式可以做定语，例如：The boy to write this letter needs a pen. (to write this letter 为定语，修饰名词boy) /写这封信的男孩需要一支钢笔。There is nothing to do today.（to do为定语，修饰名词nothing）/今天没有事要做。请教一下老师，什么情...

问题 非谓语动词作主语的疑问

...大量的时间观察马的动态和表情。翻译：Trained in France, the Chinese master studied equine anatomy, spending hours observing horses'movements and expressions.请问老师：spending 在这里并不是非谓语中的动名词，为何在这里却能做主语？

问题 though后可以只加个名词吗

Though ostensibly a book about creativity, the author frequently veers off to discuss animal emotion and intelligence.麻烦请问亲爱的老师，though后可以只加个名词吗？是不是应该加个句子？

问题 connect with的用法

...ks carefully, who observes with curiosity, and who seeks to connect with the place he/she visits, with its history, its flavors, and its people.connect后紧跟一个with，这是什么用法？后面还有个with。

问题 不定式作表语时的主动与被动

The machine is ________.A. to redesignB. to be redesigned不定式作表语时，若意义是被动的，如何确定是主动式还是被动式？

问题 请教曹老师关于he died young这类表达方式夸克对此的讲解

...or man when he died.为何不能说＝He died when he was a poor man呢 c.The fire is burning low这一组夸克说省略后续成分不影响句意。是在说low是状语吗？第2组The weather is continuing mild.这一组，需要和补足语（complementation）连用。所以这个地方，mi...

问题 simple language可数吗

...不要？It is written in (a) simple language, immediately accessible to the reader.  所用的语言简洁，读者很容易理解。关于句子中的不定冠词要还是不要的问题，可以转换成 simple language 可不可数的问题，如果 simple language 可数，当然就要不...

问题 如何理解compared to when…(从句)的用法

You should feel happy now compared to when you lived in the countryside.这个句子很奇怪，compared to 后面接了一个 when 从句，这样的用法也可以吗？

问题 这个Title是省略主语了吗？

一本小说的封面有如下文字：Based on the bestselling novel by Nicholas Sparks1、觉得这里是省略了主语This book，但是还不确定2、英语中有哪些情况下可以省略主语呢？我的语法书中没有涉及到相关内容，我应该看哪些文章或章节有介绍这...