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问题 had done since did句型怎么理解？

...经发生了许多事情。They family had lived in the Manor House since it had been built in 1573.这座庄园主的住宅1573年建成后，这个家族就一直住在那儿。这两个句子自从一个过去的时间点后，为什么主语还用了had done过去完成时？

问题 关系代词在定从中做表语的问题

...？可以省略吗？Shenzhen is no longer the small town (that) (which) it used to be.这个句子中，是必须要用that吗？关系词做表语可以省略掉吗？Xiaowang is no longer the person (that) (who) he used to be.同样，这个句子可以用that / who都可以吗？可以省略吗...

问题 as用法

...or a mutated virus sweeps out of a laboratory or a forest, as a bat passes it on to a new host which can infect humans.  请问这两个as都是什么用法？这种一句话里两个as之间只有一个逗号的情况不会造成歧义吗？这种用法多么？第一个as是连词？第二个as...

问题 would have done的具体用法

...st one new thing each day. Though, as children, we thought this was crazy, it would never have occurred to us to deny Papa a request.求教：would have done常见的用法有（对过去）推测用法，还有虚拟用法等；请问，对于此句来说，would have done是哪种用法或如何...

问题 bring forward是什么意思

If this is so, it would bring forward the tassel-eared cat's estimated extinction date by roughly 5,000 years.但2006年的这项发现，再加上约克郡和苏格兰的其他三处发现，组成极有说服力的证据，证明猞猁和神秘的llewyn实际上是同一种动物。如果事实真...

问题 关于as引起的倒装句的请教

...peech against slavery. 请问为什么要加一个did？2.Raining hard as it is， I’m going out for a walk.  /     Much as I like Paris，I couldn’t live there. 这两句中，为什么一个将动词和副词提前，一个只将副词提前？

问题 forget用于进行时态的特殊用法

I was forgetting — you haven't heard.Take me out and shoot me down like a dog, old buddy, I was forgetting.forget 的进行时怎么翻译？可否改为现在进行时？盼专家解惑，谢谢。

问题 英语省略用法的一个疑问（are的省略）

Populations in many developing countries are growing quickly and living more in cities.这句话中 living 前面可以加 are 吗？这种省略属于什么省略？

问题 英语后缀-less与-ness的读音规则

英语后缀" -less"and "-ness"的读音规则是怎样的？ness:|nəs| less:|ləs| 这样对吗？

问题 怎么翻译secure hard currency

请老师们翻译一下，主要是 secure hard currency 不好理解。In the meantime, chaos in the collectives, bad weather, and exports of food necessary to secure hard currency resulted in the Great Chinese Famine.

问题 potential for 的意思

Suppose you were head of a major soft-drinks company and you want to break into a certain overseas market where the growth potential for your company is likely to be very great indeed. potential for 形容词短语作定语吗 ？

问题 one's self 是什么意思

One might bring one's self to announce lawyers and town councilmen, but a tailor was too much.这句话如何翻译？其中ons's self是什么意思？

问题 being developed的用法

Even now, there are technologies being developed that can care for crops on a plant-by-plant basis or control the grazing of cattle without physical fences, and by 2040 this technology will be commonplace in farming.请问being是修饰technologies吗？

问题 long into his second用法疑问

For the rest of his first term, and perhaps long into his second, he will...老师好，long into his second如何理解呢?

问题 句子成分分析

The school is corrected by the endless anxious demand of the parents to know how their children is doing—— meaning is he ahead of the other kids——and their demand that he be kept ahead.老师好，破折号里meaning is he ahead of the other kids是句子吗……看不懂，也不像是倒...