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问题 while与when的一道辨析题

John was listening to the radio ______ his father washed his car.参考答案是 when。我认为也可用 while,请专家老师解惑，十分感谢您一直无私的指导。

问题 than能去掉吗？为什么？

The lighter rules that typically govern bed-and-breakfasts are more than adequate.   翻译是：通常，用来监督连锁家庭旅馆的那些相对较轻的规定更适用。感觉more than adequte中的than是不是多余？

问题 明显不是事实为什么不用虚拟语气

看到这样一个句子：The stuffed dog barks as if it is a real one.这只玩具狗叫起来就像它是一条真狗。疑问：这明显不是事实啊，怎么不用虚拟语气呢？

问题 形容词可以修饰动词吗

The Parents Newsletter offers daily personal stories,helpful advice and comedic takes on what it’s like to raise kids today. 这句话中take on是动词，可是前面的comedic是形容词，请老师详细分析一下这里的句子结构。

问题 five thousand作主语谓语动词用单数还是复数

比如：Five thousand _____ sent to the front. (was, were)

问题 charged 在句中的意思和作用

researcher shows an association between keeping an emotionally charged secret and ailments ranging from the common cold to chronic disease.请问charged在这是什么意思和作用呢，谢谢老师!

问题 against...在句子中做什么成分

1.This drug has no effect on fight against cancer. 2. There has seldom been so much protest against the Bomb. 句子中的against部分是做什么成分呢？

问题 but also和 but

Not only did the garage overcharge me,------they hadn't done a very good repair job either.答案是but,为什么不能填but also呢？不是not only...but also吗？还是因为有either，就不写also，用but 就行？

问题 请问此处的with you是对象状语吗

He got to spend the whole day with you!请问此处的with you是对象状语吗感谢老师解惑

问题 as to 的用法

各位老师，请看下面例句：They were unsure as to what the next move should be.下一步该做什么他们心里没底。请问此处的as to 应该是介词性质吧？如果是介词性质，但是系动词+形容词后可以直接跟从句，为什么还要加个介词呢？或者说as t...

问题 相同词的省略

Therefore, sabbaticals are beneficial both for employers and employees.1) both...and...引导的两部分应该并列，因此，employees之前是不是省略了for? 即不省略的情况下应为：beneficial both for the employers and for employees?2) beneficial both for employers and employe...

问题 除祈使句还有哪些可以没有主语

By helping them develop classic skills that will serve them well no matter what the future hold. 这是2014年的全国一卷的一句话，为什么没有主语呢？

问题 如何看待这句话的结构

'You're always -ing' means that you do something very often, more often than the speaker thinks is normal or reasonable. 如果将than看作准关系代词，那么这句话就是嵌入式关系分句。要是按比较分句分析呢？省略了什么内容？

问题 only用法的一个重大疑问

我对下面这句不太理解，重点是括号内的解释不太理解——此句摘自夸克《英语语法大全》p829:The situation is only [即：merely] that (he’s thinking about marrying a fellow doctor). [即你不可以为，比方说，他是在为一个疑难病人操心]

问题 South Africa 还是 southern Africa

有这样一个句子，不知道是填 South 还是southern：Mandela helped lay the foundations for a new democratic ______ Africa.请问如何区分用 South Africa 还是 southern Africa。