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问题 英语难句中 but 的理解

It may come as a surprise to many an exhausted mother or father--but thinking about your children could improve your memory,a study suggests.这里的 an 和 but 要怎么理解？

问题 一道时态选择题

一道时态选择题—— you  play badminton very well！——many thanks! when in university, i ______ it for four years.A. learned B. have learned C. had learned D. would learned答案为A，C为什么不行，再过去一段时间应该对现在造成影响啊？谢谢

问题 如何理解 like done

麻烦老师解答一下：Whatever you don't like done to yourself, don't do it to others. 这句话中like 后面的done 是什么词性？什么用法？done 是形容词修饰whatever吗？把这句话还原是否是：you don't like whatever done to yourself?

问题 where定语从句用法

"It's that beautiful thing where when you're married to someone, you're constantly learning and changing and evolving," he says. "And I'm so lucky to go through all that with her."这句话的where是不是定语从句，相当于in thing?

问题 同位语从句(请曹老师回答)

... you really mean that you are addressing an obligation or expectation that is worthwhile for you to do right now? Or is this some old mental model you have in your head about you, who you "should" be and what you "should" be doing, that maybe isn't worth clinging to?判断一下你真正想表达的...

问题 这里的现在完成时的用法和与每个动作的联系是什么

He was hoping to go abroad but his parents (have decided) that they won't supprot him unless he can borrow money from the bank.1.这里为什么是have decided，这里是因为主将从现吗？2.这句话又要怎么理解？“他当时希望出国，但是他的父母并不支持，除非他现...

问题 company as his是什么结构

She felt it would be utterly mortifying to be seen in such company as his by anyone.后半部分结构看不懂，company as his?

问题 英语从句分析与判断（强调结构？定语从句？状语从句？）

It might have been at Christmas that Jonh gave Mary handbag.这是强调结构吗？还是定语从句？状语从句？

问题 这句话中的all是什么词性？

We are all thinking it.我们都这么想。这句话中的all是代词、限定词还是副词？这是主系表+伴随状语，还是主谓宾现在进行时？

问题 这里是否该用复数organizations

Do you know anything about this food pyramid?What does it show? Many professional sports teams have recently added a new member to their organization(这里我感觉应该用复数吧)-a nutritionist.

问题 这里的will是什么含义和用法？

If lightning flashes, thunder will follow = followsIf you drop a stone in water, it will sink = sinks.请教老师：上面2句，主句中的will如何理解？ 是什么用法？ 

问题 to do还是to doing

It shows that there may be an inherited element to writing good fiction1.不定式里为什么是 writing 而不是write? 2.这块里面是 sthing 还是 doing

问题 过去式有否定现在的意思吗

Yesterday I went to my friend's house, he had / has a  house and we played in it用has还是had呢用had是不是现在没有了

问题 and...and用法

It (glomerulonephritis, 肾小球肾炎) results in leaky glomeruli, hematuria, red blood cell casts, albuminuria, and when severe renal failure, and uremia.请老师帮忙分析一下句子结构，标黑的when是作为状语吗？“当出现肾功能不全时，会有尿毒症”。但uremia前...

问题 accidentally 与 on purpose 连用不矛盾吗

I think he did it accidentally on purpose.请问这句将 accidentally 与 on purpose 连用不矛盾吗？