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问题 learn about,know,undestand(了解)的区别

老师你好！learn about,know,undestand表示“了解”时，它们的区别如：It's my pleasure to help other people learn about china.帮助别人了解中国是我的荣幸。

问题 这是what引导的什么从句

The current base Medicare Part B premium is $121.80 per month per person, and a Medigap plan to help cover what Medicare won't can easily cost $250 per month or more,as well.为什么won't 和 can可以连用?这里是what引导的什么从句?

问题 按照剑桥英语语法，如何将这个比较句还原

Printing made it possible to produce more copies in a few weeks than could have been produced in a lifetime written out by hand.

问题 介词短语是做定语还是做状语

In the end they were able to rescue the cat on the roof.想问下on the roof做什么成分？以及I see a fly on the globe.句子中的on the globe做什么成分？先谢谢各位老师！

问题 must 表示“偏偏”的用法疑问

We were ready to leave, but the baby must catch cold. 我们准备要离开，可孩子偏偏得了感冒。The car must break down just as we were starting our holidays. 我们刚刚开始休假，汽车偏偏坏了。这个must被翻译成“偏偏”，好像在词典中没有查到这样的用...

问题 after graduation 和 after graduating 的区别

1. scientist  2. admitted  3. in  4. graduation  5. the  6. discovering  7. which  8. was awarded  9. to win  10. ourselves为什么第4题只能用graduation? 而不用graduating?

问题 fewer times 可以作状语吗

As people now choose to wear more clothes fewer ___57___ (time), clothing rental services have become increasingly popular.上面的句子摘自2025年高考英语浙江卷（第一次考试）。答案填 times，请问这里的 fewer times 是作状语吗? fewer times 可以作状语吗？

问题 主将从现中的从句时态为什么有时会使用现在进行时

...有些从句中会使用现在进行时呢？例如：If it's raining tomorrow, the sports can take place indoors.（为什么不说If it rains tomorrow? 二者有何区别？） If you are standing at the corner when I pass tomorrow, I'll give you a lift into town.（为什么不说I...

问题 表示“所以”的so前面可以不用逗号吗

Times have changed so we need to change with them. 时代改变了，所以我们需要随时代而改变。 上面这个句子的 so 前面为什么没有逗号呢？这个逗号是可以省略呢还是印刷时漏掉了？谢谢老师解答！

问题 表示“河底”可以用under the river吗

看到这样一个句子：Engineers plan to run the telephone cables under the river. 工程师计划在河底铺设电话电缆。句中用 under the river 来表示“河底”，这符合英语习惯吗？

问题 Blacks与the Blacks的区别

______ Blacks happened to be at the cinema when their house caught fire.A.the     B./     C.they      D.Those为什么选 A 而不选取 B？

问题 set和set down的区别

She set the tray down on a table next to his bed.这句话中我感觉down要不要都没有什么影响啊，set...on把某物放到某物上，可以把down删了吗，另外on的介词短语是宾补还是状语呢？

问题 than 引导的比较状语从句的省略

I  have  tried  to  compensate  by  revealing  more personal information than I would otherwise.请问这里的 I would 后面是不是省略了什么？ otherwise 在这里什么意思？这句话怎么翻译？

问题 as...as...的用法

If I sensed resistance, I would be as persuasive as I know how to explain the benefits we can all gain from working together and the problems we, the company and our customers will experience if we don’t.曹老师如何理解as persuasive的意思，“同样的说服力如同我知道的”...

问题 问下这个句子用倒装这样写对吗？

Not only can this book teach you how to cook, but also help you understand what a balanced diet means. 这个句子不是not only，but also连接的两个句子，也能倒装吗？