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问题 while从句的时态问题

...有失误还是另有深意？虽然也有专家老师回答过我的猜测和疑问，但是心里还是有些不踏实。还是十分渴望听听曹老师的解析，逻辑性强，还有权威佐证。十分感谢您。

问题 remember doing/having done/to have done的区别

...者表示过去某个动作对现在的影响，就好比过去一般时态和现在完成时态的区别。比如lock.用前者的话只是表达过去有这么个动作，后两者则表示这个动作对现在产生的影响（防止小偷进去、家里的宠物狗不会溜出来……）

问题 关于名词词性从句疑问

...fast she can run. 她跑得如此之快令人不可置信。（这个句子和您给的栗子有点像）。3.“What a brave boy you are!” she told him. “你是一个多么勇敢的男孩子啊!”她告诉他说。→She told him what a brave boy he was. 她告诉他说他是一个多么勇敢...

问题 定语从句、much、省略的问题

...个while后面为啥跟了一个介词短语呢？是因为省略了主语和谓语吗？如果是省略，麻烦老师说明一下省略的谓语是啥呢？我感觉省略的主语是he.3.He retorted that it was my fault as much as his.问题3:请教老师，这个much是副词作下加状语修...

问题 vary between与vary among的区别

Diet varies _______ different countries in the world.A. between               B. among 请问如何选择？同时请老师具体谈谈它们的用法。

问题 关于定语从句的成分

...以类聚，人以群分。:2：They lay stress on patriotism as embodied in the saying"Everybody is responseble for the rise or fall of the country."第一个句子resemble是及物动词，是否少了宾语？第二个句子我的理解是as引导定语从句并指代patriotism,那么em...

问题 as 时间状语从句里边的动词时态

As China's Spring Festival approaches,various memes are being saved in mobile phones so people can chat with their friends .请问as从句里面能用现在进行时吗？好像while后面用进行体比较多（be approaching），as多用一般体？

问题 长难句分析（关于定语从句）

Advertising has everything to do with images, dreams and emotions; stuff we are programmed to engage with but which is, almost without ecxcepion in the ad biz, fake. 这个句子分号后只有一个名词规范吗？或者说省略了（They are）还有它的定语从句结构是省略了第一...

问题 ...while doing so用法疑问

In some places government offices that manage petitis submited by citizens seeking redress of injustices say they would put people on blacklists if they cause disturbance while doing so.老师好，这里的while doing so逻辑主语是谁，do so是指前文做的什么呢

问题 是否要加逗号的疑问

Sylvia regularly took a crowded subway train to work during rush hour, so she found it to be a paradox one hot, steamy  Tuesday to easily find a seat in a car that was nearly empty.  请教各位老师，paradox后面需要不需要加逗号儿？我认为是最好不加。

问题 新概念2第53课最后一题

You can sit here in your spare time. You can sit here when you're _____ .A. not workingB. reading请问A为什么不对？答案是B，reading时必然空闲，说得过去。

问题 不定式与分词作后置定语的疑惑

各位老师，下面这个句子是用to force 还是forcing?为什么？The government plans to bring in new laws _____ (force) parents to take more responsibility for the education of their children. 

问题 get / keep 在以下词组中是什么词性？

请问：这类词组中 get / keep 是什么系动词还是实意动词？get/ keep in touch with sb get/ keep sth doing get/ keep sth done

问题 长难句分析

...y to which digital citizens believed they were rightfully entitled was not in the fact the privacy they possessed.1.to which引导定语从句修饰先行词privacy，which代指privacy，做to的宾语2.believed后跟宾语从句，省略了that3.was为that表语从句的谓语动词4.the privacy...

问题 这里的grown-ups 的s是什么意思

many of them, now grown-ups, were successful in their careers.