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问题 essential 后面一定要用虚拟语气吗

It is essential that he _____ all the facts first.答案是(should) examine, 为什么要用虚拟语气呢？

问题 新概念三英语 第35课第二段有关疑问

...个主要问题：1. There are rare instances when justice almost ceases to be an abstract concept. 这句话从结构上，我自己网上搜寻研究了一下，when 开头的句子应该是个同位语从句。不知道对不对，请专家予以肯定。从意思理解谁上来说，就有点搞...

问题 some 可后接单数可数名词吗

句中 Some idiot has taken the bath plug.中，some 后接的是idiot，这是一个可数名词，为什么不用 idiots 呢？当然如果用 idiots，后面的 has 也要改成 have，对吧？

问题 authority与authorities的用法区别

改错题：The integration of independent states could best be brought about by first creating a central organization with authorities over technical economic tasks.答案是把 authorities 改为authority，请问为什么呢？

问题 请问句中的as是什么意思？

Jet’s business, by contrast, has soared over the past two years as it has encouraged bulk buying.请问：句中的as引导时间状语从句还是原因状语从句？

问题 英语中的破折号“—”代表什么

老师您好：The winning car reached a speed of forty miles an hour—much faster than any of its rivals.此句中破折号“—”代表什么呢？感谢，盼复！

问题 时态是否影响翻译

The rate of scientific progress is now so rapid that there are always new developments that have occurred since one was at school.  译文：但如今科学进步的速度如此之快，一个人离开学校或大学后新的发展层出不穷。请问，粗体部分能不能翻译成“一个...

问题 句子构造及破折号

My parents’ marriage was a classic of its time--- those years of the so-called cultural revolution, with no wedding ceremony and no honeymoon.1. 请老师分析句子结构。2. 其中“its time”是 “那个年代，那个时期”的意思吗？ 3. 为何采用破折号呢？非常感谢！...

问题 show sb into...的说法对吗

When he arrived, he was shown into the manager’s office.句中的 show sb into... / be shown into... 用法对吗？

问题 much of 还是 many of

Rice, which is grown in many countries, is a stape food throughout much of the world.请分析much of的用法，为什么不是many of呢？

问题 答语中 it,that,this 的区别

A: Do you see that / the house?B: That's / It's / This is mine.上面句子可以使用这些代词吗

问题 each在这里句子中修饰谁（什么词性）

First,choose an instrument each from the music room.请问在这个句子中each它是什么词性,修饰谁? 为什么放在instrument的后面?

问题 译文正误

The love affair between Americans and their automobiles has been a continuing subject of derisive commentary by both foreign and domestic critics. 这句话我的译文是：美国人非常衷爱汽车，这长期以来受到国内外批评家嘲笑。答案是：美国人过分钟情于汽车,长...

问题 where非限制性定语从句

We should take the difference between English and Chinese into full consideration, where Chinese is connotative and English is straightforward. 老师这是我自己写的句子，我想问where修饰difference对不对?

问题 all是修饰动词,还是us的同位?

Jenny's failing the exam in English surprised us all.请问句子末尾的all是副词修饰动词surprised ? 还是作为 us的同位?