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问题 on hearing是什么用法

________ the news of his father's death，he burst into tears．A. After hearing B. On hearing C. Having heard D. While hearing为什么D选项不能选呢？而只能选B?

问题 这里的完成时能否替代为其他时态

...代为其他时态，比如过去时，原文这样用有什么好处呢-The largest change in recent generations has been to our diet, although other critical elements of health — water, exercise, sun exposure, and sleep — also undergoing major shifts. 

问题 walk，go 表示“走”时的区别

如： Can't you walk a little faster?I can walk without the aid of crutches.Excuse me, but I'll have to go now.   You may go, provided your work is done.  

问题 past是限定词吗

I haven't seen much of her in the past few weeks.1.past形容词，few是后位限定词表示“几周”，但是形容词past怎么放在了few前面呢？难道past也可以是限定词吗？2.假设这个few也是形容词，那么当few表示“几个”时，这明明是数量含义，此时...

问题 library’s services如何翻译

Some students make little use of the library’s services.请问句子中的 library’s services 如何翻译？从字面上看，library’s services 的意思是“图书馆的服务”，但如果将句子翻译成：一些学生很少使用图书馆的服务。又觉得不太符合汉语的习...

问题 关于 it is hoped 的疑惑

The Oscar nominations will be announced on Tuesday, with an expanded best picture category which it is hoped will make room for a wider range of films.这里的 it is hoped 在语法上好像讲不通呀，删去才合乎语法吧。求解惑！谢谢各位老师！

问题 bring sth with sb的理解问题（新概念3 Lesson 12）

As they had brought a spear gun with them...这句话里前面的句子意思表达的够清楚了后面为什么还要加个 with them?

问题 关于give sb a jump on...的理解与用法

...entors will be able to perfect powerful customized chips over a weekend at the office -- spawning a new generation of garage start-ups and giving the U.S. a jump on its foreign rivals in getting new products to market fast.米德预言发明者可以在办公室用一个周末的时间生产完美...

问题 如何区分下面表示“包含”的短语

什么是整体包含部分，什么是部分包含整体整体包含部分：comprise\consist of\be composed of \be made up of部分包含整体:constitute\make up\account for\occupy\form

问题 定语从句修饰主语后，一定要加逗号吗？

...。 A man who is unable to write a letter is incapable to hold an office of such importance.答案是A man who is unable to write a letter, is incapable of holding an office of such importance.除了将be incapable to do 改成了be incapable of doing以外，还加了一个逗号。不知...

问题 不定式作定语

There is nothing to be afraid of.我学过不定式作定语和先行词有主谓、动宾、同位和动状关系，请问：这里的不定式to be afraid of和nothing直接是什么关系呢？我搞不明白，因为这里nothing是of的宾语呀...

问题 关于percent的改错题

请问各位老师，划线的句子除了要把merely改成mere之外，是不是还要删去a或者of，如果删去a，percent用作名词，如果删去of，percent用作形容词？在“基数词+percent of+名词”这个结构之前还可以加不定冠词吗？

问题 a graduate trainee with a bank(with如何理解)

My first job was as a graduate trainee with a bank.我的第一份工作是在一家银行做大学毕业实习生。with 在该句话中该如何理解呢？with 还能表示地点吗？查了柯林斯也没有类似用法。

问题 more than后接动词是to do还是doing ?

这是教美式发音的美国老师说的：Now when you use it as a noun, "He's a crackup".It's more harsh than saying someone is mentally ill.请教老师：more than saying， 为什么不是more than to say 呢？

问题 No. 1 Street 与 Street No. 1

...estion/55800今天我也看到一个类似的句子，也有类似疑问：As I walked down No. 1 Street, I saw volunteers cncouraging people to join in. 摘自北师大高中英语必修第三册第8单元(p33)。请问这里的 No. 1 Street 可以换成 Street No. 1 吗？