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问题 before引导的时间状语从句中一般现在时表达的具体含义

我看到有一道中考题：Before the sun sets, we need to get to the top of the mountain. 题目问的是填动词set的具体形式，我查到大部份的解析都是给的“主将从现”。但我看到曹老师说主讲从现这种说法是有问题的，从句里面并不是表示推测...

问题 “生父”“生母”“亲生父母”如何翻译

...继母的翻译是：stepfather 和 stepmother。如：His stepfather used to beat him. 过去他的继父常常打他。Her stepmother showed her nothing but cruelty. 她的继母对她只有虐待。我想知道，如果表示“生父”“生母”“亲生父母”呢？有什么方法？

问题 drink表“[废语]吸(烟)”的例子

在《21世纪大英汉词典》发现，drink有“[废语]吸(烟)”的意思，我在网上找到一个例子：After his liver transplant, George swore never to drink again. 请问：还有其他别的例子吗？

问题 ride yourself of certain ..

A good way of riding yourself of certain kinds of dogmatism is to become aware of opinions ..  ride..of...怎么理解？或者整个句子的含义

问题 如何理解reflected的用法

You may see reflected in his look what it was to be a slave in ancient Rome or the cotton plantations of the Southern United States.这里的 reflected 是名词吗？如何理解 reflected?

问题 介词短语能作介词的宾语吗

I began to swim along under the castle walls.老师，介词后面能接介词短语吗？是不是特定的介词才可以这样的。

问题 for often 的用法

Have you ever been sad because of failure? Please remember, for often, achieving what you set out to do is not the most important thing.请问，for这里属于什么用法，该用法除了often可否用其他词。谢谢!

问题 first such​的用法

Chinese Taiwan on Thursday proposed a draft law to allow same-sex marriage in Asia's first such bill. 这里first such是序数词+限定词吗，这样的排列顺序是依据什么？请老师讲解一下相关用法.

问题 这个句子的语法正确吗？

请问各位老师@语法探讨 @teacherliu，这两个句子的语法正确吗？ although weather being bad,we decided to go hiking. Mike went homeward alone,while his heart full of strange emotion. 从属连词能够用在独立主格前吗？希望老师解答，谢谢。

问题 这个句子的语法正确吗？

请问各位老师@语法探讨 @teacherliu，这两个句子的语法正确吗？ although weather being bad,we decided to go hiking. Mike went homeward alone,while his heart full of strange emotion. 从属连词能够用在独立主格前吗？希望老师解答，谢谢。

问题 词语辨析drill的用法

Laser beams can be used to _____ metals and other hard materials. It can also be used in operation.A.trimB.meltC.sliceD.drill这里为什么选D不选C呢？ 切割金属不可以吗？

问题 用one还是a的问题

Every “Number of freeze-thaw cycle” in the table corresponding to two samples including a/one parallel sample.这里应用用a还是one呢？

问题 名词性从句

After _______ seemed an endless wait,it was her turn to enter the personnel manager's office.   A.that B.there  C.what D.it请问是不是从句一定要有that、what这类的引导词？如果选D就不对呢？以及选A和选C有什么区别吗？

问题 while although 的区别

Although senior citizens can contribute to society, I would argue that this demographic change can bring some problems. 这个句子中的although 是否可以替换成while？同样是引导让步状语从句，while 和although 有什么区别么？ 谢谢老师的回答

问题 关于but的用法

For example, in English you say strong wind but heavy rain. It would not be normal to say heavy wind or strong rain.本句中but应该是连词，但是结合语义没有转折的意思，反倒应该像是and的意思；请教关于这种but的意思以及类似表达。