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问题 如何理解when

...应该是医疗物资，不过没在词典找到，请老师一并解答。The disease strikes at a time when hospitality supply is already greater than the demand. 

问题 特殊疑问句被动疑问

What is the weather like？the weather is like what.这样就可以推算出特殊疑问词做介词宾语。Who is he looked after by但是：He is looked after by who，总感觉不对，而且look after也是固定搭配。

问题 宾语从句前的逗号

The constitution declared clearly, that every constitutent has his own human rights , including the patients.问：在该句中宾语从句前用了逗号，是不是一般情况下宾语从句前也都可以用逗号来和主句分隔开来，这里的逗号起什么作用？

问题 by+时间点(后面什么时候用一般时态)

By the age of 55 she retired from the famous school.为什么不是had retired?

问题 介词短语修饰对象

A team of scientists led by Professor EIi Shlizerman at the University of Washington has now found the answer. 一支由Eli Shlizerman 教授领导的来自华盛顿大学的科学家团队现已找到了答案。  请问这句话中at短语修饰的是A team of scientists还是Professor EIi Shlize...

问题 Here comes…这种句子必须倒装吗

Here comes the boss Mr Smith.请问这个句子必须要倒装吗?如果不倒装呢? 就是错的？比如：The boss Mr Smith comes here.

问题 make it that...是什么用法

The boss made it that nobody could leave the office that day.不太明白句中的 make it that...是什么用法。

问题 be one’s age与be at one’s age正误辨析

正：At your age I had the burden of a large family on my shoulders. 正：When I was your age I had the burden of a large family on my shoulders. 误：When I was at your age I had the burden of a large family on my shoulders. 实在没有看明白以上三句正与误的道理！...

问题 做后置修饰语与做宾补的区别

I have a friend living in London.为什么living in London做后置修饰语而不做宾补?

问题 请问句子怎么翻译，还有它的时态是什么？

O‘Neill tries to suggest  a way that things might have turned out better.翻译?might have turned out 代表什么时态,谢谢!

问题 arrange sth for sb 对吗

问这个问题可能有点小题大做：就是一个小小小的知识点，因为平时只看到 arrange for sb to do sth，今天突然听人说了个 arrange sth. for sb. 百度又百度不到，不知道是否正确。

问题 系动词后跟的地点副词，语法上算作表语还是状语

He is here to practice speaking English. 系动词后面如果跟了地点，它在语法上算是表语还是状语呢？

问题 名词性从句做宾语减化问题

为什么句子 I promise you to go 还原成I promise you that i would go.（我答应你我会去） 而不能还原成I promise you that you can go.吗？（我答应你你可以去）

问题 where I stood there的用法对不对

She walked up to ______.请问where I stood there  对不对，there 是当副词吗?

问题 英语中的补充说明部分是否要符合语法

补充说明部分，是否要遵从语法？如:She also needs feelings to do one of her favorite things—drink coffee. drink coffee 是否要加ing?