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问题 as though引导虚拟语气的时态

Christine stared angrily at her boss and turned away, as though______out of the office.A.went        B.gone       C.to go       D.would go这个从句应该是虚拟语气与过去事实相反，不应该用would have done的形式吗？为什么要用不定式to do？

问题 as such在英语句中的作用

Studying Venus is very difficult because of its thick clouds, which hides the surface. As such, radar and other specialist observation techniques are needed to study it.请问老师，as such在句中起什么作用？整个句子怎么翻译？谢谢!

问题 this,that; these, those的区别

...的一个题目：Complex musical numbers are a defining characteristics of most Hindi films. These serve as interludes designed to entertain the audience rather than to advance the plot.这里的these可以换成those么？另外，this和that在指代名词方面有什么区别？感谢解答！

问题 句中by determining表方式吗

I do not want to study the development of real governmental practice by determining the particular situations it deals with, the problems raised,the tactics chosen, the instruments employed, and so forth.下面这样翻译对吗?我不想通过确定它所处理的特殊情况、所提出的问题...

问题 fluctuate和float单选疑惑

题目：Shares on the stock market have _____ as a result of a worldwide economic downturn.A. turned   B.changed   C.floated   D.fluctuated问题：这里我选了D，答案给的C，解释是float有汇率浮动的意思，但是fluctuate同样有这个意思呀，而且我上网搜，很多...

问题 关于as的一句英文不太理解

原文：If you are dreaming of a white Christmas, the dream may be as close as you get.这里的as close as you get怎么理解呀？如果字对字的翻译，就成了：像你得到的一样近。求老师们指点迷津

问题 keen on doing sth与keen to 

我原来只知道 keen on doing sth。如： She’s keen on sailing. I am not very keen on traveling by air.  但今后看到这样一句： She’s keen to get ahead in her career.  难不成 keen 后面还可以接不定式？求解答，谢谢！

问题 相同句型问句答案不同的困惑

1) Judging by the smell, the food must have gone bad, (hasn't it) ?A. mustn't it  B. didn't it  C. hasn't it书上说答案是C. hasn't it 2) People on the scene must have taken him as a nut when he was doing a performance in the street yesterday afternoon, (didn't they) ?A. mustn't they  B. did...

问题 They had each his own problem这句话对吗

...mar point that 'they' and 'his' don't match. There is, of course, singular 'they' but the rest of the sentence should match pronouns. （bennymix, 安大略湖一带）这样看来They had each his own problem.这个句子并能说是对的，那么章老这里下这样...

问题 现在完成时与过去分词做前置定语的区分

That explanation appeals to common sense and has dominated efforts to get to the root of the obesity epidernic and reverse it.怎么区分是过去分词做前置定语还是现在完成时结构? 谢谢！

问题 定语从句关系代词that后面接which是否有重复呢

Behold the power of that which is yet unborn!看那还没有出生的力量！定语从句：这里的 that、which 是否有重复呢？分别作什么成分呢？

问题 为什么用to say而不用to be said?

He always has trouble thinking of the right things to say.

问题 定语从句关系代词that后面接which是否有重复呢

Behold the power of that which is yet unborn!看那还没有出生的力量！定语从句：这里的 that、which 是否有重复呢？分别作什么成分呢？

问题 请教 took a tumble 的意思

...出一本日记，冒险者是这样形容这本日记的：By the looks of it, this book took a tumble down some cliffs.我对这句话的理解是：这本书看起来挺旧的，好像从悬崖上掉下来似的但词典里解释【took a tumble】还有恍然大悟的意思，那么这句话该...

问题 句子结构分析（from VOA）

Evidence of Iran's malign activity was recently made available when the State Department published its annual report on global terrorism.近日，伊朗从事邪恶活动的证据公之于众，美国...