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问题 those 的指代问题

老师您好! 请问句子中 of those 是代替什么?We may say that the cries of pain or chortles of amusement are largely reflex actions, instinctive to a large extent, whereas language proper does not consist of signs but of those that have to be learnt and that are wholly conventional. 

问题 不定冠词的用法

A highly sensitive method for the detection of trace amount of poisonous susbstances in milk and meat products is to be popularized in a country embarrassed by the scandals of clenbuterol and melamine contamination in food.请问"tace amount"前面为什么可以不加不定冠词"a&q...

问题 the only one...后面的关系代词问题

She is the only one of those people who speaks Japanese.这句里的who是否错误，是否要改成that?及为什么？

问题 hear, hear about, hear of（听说）的区别

hear, hear about, hear of 都可以表示“听说”，怎么区别它们呢？

问题 关于定冠词在短语中的应用

老师们好，我看到下面两个短语:1.out of the question不可能2.without question毫无疑问为什么在第一个短语要加定冠词，第二个却不用，是根据什么来的？

问题 such和a的用法

关于on such a trip和on a such trip，请问：1.这两个短语是否都对？如果都对，那这两个短语中的a为何一个在such前，一个在such后？2.a在什么情况下等于one？第二句on a such trip是否等于on one such trip？

问题 破折号后面的one指代什么

请问此句中的one 是什么用法？ 指代什么？Like most people, you no doubt want a secure future for yourself and your family​ — one of happiness, good health, peace, and prosperity.

问题 特殊疑问句中用多个不同的疑问词

What food / snack from which area / ethnic group will you bring?请问这里为什么既有 what，还在句子中间有 which 呢？

问题 should have done的理解与翻译

It’s curious that she should have left without saying goodbye.这里为什么翻译成她不告而别了? should have done不是表示没有做某件事吗？

问题 这里的serve为什么不是被动语态

Wechat serves as a media platform for people to share their thoughts.这句话为什么不是被动语态，is served as呢？微博不是被提供给人们嘛？

问题 a Saturday dusk 的说法对吗

看到这样一个句子，它对吗？I once took a walk along the street on a Saturday dusk.这个句子在网上流传很广，但老师说它不对，请问错在哪了？

问题 句子中的词组fit me up with…… 中的up怎么理解？

Could you fit me up with a new bulb for the headlight of my car ?请您给我的车灯安装一个新灯泡好吗?问：fit me up with…… 中的up怎么理解？

问题 be sure to do和be sure of doing的区别

请问be sure to do和of doing的区别？在英语中有很多系表后接不定式和of doing结构，遇到这类句型时如何区别其用法？

问题 feel like 的用法

feel在句子中用法，我怎么确定是谁的感觉？①②...I realized that whenever black people were on-screen speaking in African languages, they felt familiar to me. They sounded like they were supposed to sound. Then I’d listen to them in simulcast on the radio, and they would all have...

问题 一道时态选择题（过去进行时与一般过去时的比较）

老师们好，今天做到了一道时态选择题，题目如下：My pet got injured yesterday, and I (   ) it all the day.A was attending to   B attended to该题目的参考答案是A,但我觉得 B也没有错吧？很困惑,所以来找老师们请教下！