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问题 before 还是 until

After the accident it took a long time before she had the courage to take a plane again. 句中before为什么不能替换为until?

问题 非延续性动词

He has borrowed a car.   He borrowed a car.请问老师这两个句子区别是什么呢？borrow是非延续性动词，它可以用于完成时和过去时吗？

问题 关于形容词修饰名词的排序

请问：a Chinese conventional virtue还是a conventional  Chinese virtue？感谢！ 

问题 rather than

Rather than sell into a depressed market caused by tariffs, US soybean farmers are storing their crops hoping to eventually get a better price.为什么rather than后面是sell?

问题 全文都是一般现在时为什么夹杂一个过去式

Why do we dream? Scientists aren’t completely sure, and they have diverse ideas. Dreams might be a side effect of memory making. When you sleep, your brain sorts through everything that happened during the day, trying to link new experiences to old memories. As it connects things, your brain turns...

问题 as的用法疑问（是不是 as…as 结构的省略）

Across the 320 submissions, a pattern of categories the researchers call a “nature language” began to emerge. After the coding of all submissions, half a dozen categories were noted most often as important to visitors. These include encountering wildlife, walking along the edge of water, and fol...

问题 get hit in the head对吗

书上写的句子：Someone got hit in the head. 之前学过的hit sb on the head（头较硬用on），那么这里的in用法对吗，是不是也应该用on？请老师解答，谢谢。

问题 关于after后跟延续性动词的用法

在必修一第一单元中某篇课文的最后一句话中，Now read how she felt after being in the hiding place since July 1942 ，请问这表达的是说是她在住进去之后的感受还是说住这个动作已经结束了后的感受？因为be是个延续性动词，我理解的是应该...

问题 一般现在时用法的用法实例分析

请问：这三个句子分别属于一般现在时的哪个用法呢？I am Rose.I come from China.My school is next to my house.

问题 如何理解 by being 的用法

请专家看以下句子：In my view, "habit" is characterized by being mechanical.参考译文：在我看来，“习惯”的特点是无须思考的。我的疑问：为什么by后面要加上being？如何理解being的含义？谢谢专家的解答！

问题 句子结构的前置问题

Use of public transportation is the highest it has been in almost 60 years in almost every American city.请问是否为补语前置，正常的句序是这样吗？It has been the highest use of public transportation in almost 60 years in almost every American city. 谢谢各位老师!

问题 Be have to的翻译问题

She's had to go to Chicago.问此处的She's是 she is么？如果是的话，be have to是正确的么？如何翻译be have to 这个片语呢？

问题 介词短语作宾语

And it is notable that this time, unlike after the global financial crisis, almost all governments are delaying moves to reduce fiscal stimulus so as to rein in gaping budget deficits and rising public debts.介词+介词短语构，可以看作介词短语作宾语吗？也就是after the global fi...

问题 如何区别AS引导状语从句还是定语从句

As you have pointed out, he proves to be the best student here.As we all know, the earth is round.

问题 这个句子的语法正确吗

What time I expect you to get here is this Friday afternoon.这是个主语从句混定语从句吗？What引导主语从句可以这样用吗？里面的定语从句是省略了that/which作关系代词还是应该是when作关系副词？如果是省略了that/which，那关系代词在句中做...