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问题 as表示“……之后”的意思

He expects the system to get even better as the engineers tweak its performance. 他预计在工程师对其性能稍加改进后，该系统会运行得更加良好。这句话中as被翻译为“......之后”，但是词典上并没有这样的用法，而只有as of才表示“......”...

问题 一道冠词选择题

If you don't know _____ English for this word, you can look it up in _______ Chiense-English dictionary.A. 不填;  the B.不填; a C. the; a D. the; the 答案为C. 第一个空 the 是什么用法？

问题 反身代词的用法疑难

...se be seated!’The great booming voice, sonorous as a bell, was itself sufficient evidence of its owner's Inner Force, which years of training had developed（“列位大人请坐。”说话声若洪钟，单是这份中气，便知内功修为甚是了得）在这里的反身...

问题 before可用作关系副词引导定语从句吗

It was the Friday before he came to see me.这个 before 引导的是定语从句吗？如果不是，它是什么从句？如果是，那 before 引导定语从句有什么规律？

问题 不定式后置定语问题

...等。这些名词多是抽象名词。如: That's the way to do it. 那样做才对。 I have no time to go there. 我没有时间去那儿。这里除了方式和时间，还有什么更多的例句，这里抽象名词又是指那些? 比较迷糊！

问题 by的意思(by the expression)

I could see, by the expression on her face, that it worked no miracle.by在这是什么意思？通过...手段还是按照...的意思？这个介词短语做什么状语吗？

问题 名词+to+vi+介词

请教一下各位老师，以下两个句子：I need a pen to write with.The chair looks rather hard, but in fact it is very comfortable to sit on.都是“名词+to+vi+介词”的形式，为什么一定要用介词？第一个to do是做目的状语吧？第二个是做方面状语？谢谢。

问题 不定式的逻辑主语可以直接用主格吗

I to do it is out of the question. 我做那件事是不可能的. 请问这句话符合正规语法吗？

问题 take sb sometime...用法疑问

Robert toiled over his report for two years, slightly longer than it took Herman to write "Mobt Dick".老师好，根据take sb sometime to..可以判断出这里的longer其实是a longer （time）吗？

问题 way back when是什么结构

It turn out I couldn't find anything on the woman, just like you couldnt find anything way back when.anything是宾语，这个way back when是什么结构和词性？

问题 怎么判断是定语还是同位语

Clearly,it was a case of murder,the oldest case of murder ever discovered. 这句话中,the oldest case of murder ever discovered.是做同位语还是定语从句省略的定语呢？ discovered是过去分词做后置定语吗

问题 Come to用法

Two hundred years ago,when sport was confined largely to games played in the backyard or on the farm,one could hardly have imagined the attention that it has come to receive in 21th century.请问这句话中has come to receive的come to该如何理解?是理解为逐渐吗？

问题 关于before作副词的疑问

1.He said we had met 2 weeks before.2.We had met 2 weeks before.3.It had been fine the week before.请教老师2 weeks before 与 the week before 都是过去的一段时间，为什么第二句不对，第三句对呢？

问题 强调句中强调人时可以用 that 吗

It was John that wore his best suit last night.这是专四题目中的一个句子，按说强调句中人后面不应该用who么，怎么用的that 呀？

问题 but的递进含义

There may be more pressure to do so as other countries open up, but it could come at a political cost.  这句话我的理解——在其他国家开放时这样做（指在疫情期间开放边境）可能会面临压力，并且可能会付出政治代价。 请问付出代价和面临压力是...