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问题 human ear（单数）与human ears（复数）的区别

有这样一句，为什么其中的 human ear 用单数而不用复数呢？我们每人不是都有两只耳朵吗？Some sounds cannot be detected by the human ear. 有些声音是人的耳朵无法察觉到的。

问题 球队作主语谓语动词用单数还是用复数

从 VOA 的文本中读到一句：This season, the Lakers were not a good team.这句话，对么？如果对的话要怎么理解呢。我的理解是如果 Lakes 代表一个队的话，要用was 才对，但用了 were，我想表示这是指这个队的全体成员，那么用 a good team，这...

问题 until引导的状语从句时态问题

The letter passed from one to another until everyone had read it. 这封信从一个人转手到另一个人直到每个人都看过。until 引导的从句用的过去完成时，所以应该是发生在主句（过去式）之前的，可从语境上感觉怎么觉得 until 是在主句完成...

问题 may have done的表猜测的时态问题

If your sister has met one of the Fauns,she may have heard strange stories about me 这里按照句意 应该是表猜测，猜测不单单是能对过去时态表猜测，对现在也可以的吗？那将来呢？感谢老师回答！

问题 while从句的用法理解（2012高考湖南卷）

______ I always felt I would pass the exam, I never thought I would get an A.A. While       B. Once        C. If       D. Until本题答案为A。请问这是 while 的什么用法，句子意思如何理解？

问题 while从句的用法理解（2012高考湖南卷）

______ I always felt I would pass the exam, I never thought I would get an A.A. While       B. Once        C. If       D. Until本题答案为A。请问这是 while 的什么用法，句子意思如何理解？

问题 ...as quickly as he could是修饰什么的

He swam back to the shore as quickly as he could.as(副词）quickly 修饰谓语。as（连词）he could swim作状语吗，修饰as quickly还是谓语？

问题 what we can to do sth是什么结构

We should do what we can to help the homeless people.what we can to do 是什么结构、什么成分呢？

问题 新概念3 Lesson 5的句子连接问题

He sent yet another fax informing the journalist that if he did not reply soon he would be fired.这句话里的sent yet another怎么理解?soon he would be fired是怎么和前面的he did not reply连接在一起的？

问题 with是不是顺着某个方向的意思

There were two filling stations at the intersection with Union Avenue, as well as an A & P, a street fruit stall, a bakery, a barber shop, a drugstore, and a diner shaped like a railroad car. with在这的意思是顺着街道的方向吗？

问题 To live alone在下列句子中作定语还是状语

Will I be the only creature to live alone？老师，I＝creature,to live alone是定语，还是状语；好像状语也能通？

问题 Friday（星期五）前面为什么加了定冠词

It happened on the Friday before he left for Japan.这个 Friday（星期五）前面为什么加了定冠词？

问题 有没有what’s up with you?

可以说：What's wrong with you?What's the matter with you?那有没有what’s up with you？就是说what’s up后面可不可以用with you？

问题 句末不定式要不要加代词作宾语的问题

The damage was such that it would cost thousands to repair it.想问下，这个repair 后面要不要加 it， 为什么？

问题 用现在分词还是过去分词的辨析

With my English improved， I decide to go to the USA for a trip. Improve 有主动表被动的不及物动词用法，又有及物动词的用法，请问老师上面的句子应该用improving 主动表被动 还是improved和Being improved呢？ With my dream come true，I decide to reti...