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问题 2句中的不定冠词a意思一样吗

1)He is a teacher.2)Tom, a teacher teaching mathematics, is ill now.上面2句中的不定冠词a意思一样吗？分别是什么作用？

问题 He went away without a word spoken的改写

He went away, without a word spoken．可否改为He went away,without speaking a word.He went away，not speaking a word．He went away，not  a word spoken．

问题 keep in a good health对吗

keep in a good health对吗，不是说不可数名词前有修饰要加不定冠词吗?类似的还有a blue sky一样道理吗，keep in a good health感觉很少用啊!

问题 请问在这里the best such...such的位置

China’s central government hopes to take the best such systems of collaboration and replicate them across the country. 请问在这里such的位置为什么位于best这个形容词之后，是因为受到the best的影响中the的影响吗？the best such这个结构我还没见过，请教各位...

问题 不定冠词a的问题

It was (a) Monday morning, and the writing class had just begun.Monday morning前是否要加不定冠词a？

问题 burst out的奇怪用法（人作主语但后面没宾语）

It is not surprising that young people are likely to burst out, particularly when there are reasons to do so.这个句子是2016年高考英语北京卷阅读理解D中的一个句子。我对句子中的 burst out 用法感到不解。在我的理解中，burst out 有两个用法：一是以“爆...

问题 substitude为何没与with或其他介词连用？

In a formal football match, each team can have three players to _____ their teammates when necessary． A. replace  B. substitute  C. represent  D. exchange 问：这题我知道选B。但我很郁闷，substitute 不是要与 with 或其他介词连用吗？

问题 than后面用不定式还是动名词

than 后面用不定式还是动名词？Nothing is more unpleasant than                insects in your bath. A. finding           B. to find

问题 英语分析句子(being brought up 作什么成分)

The main reason for my choice is that being brought up in a culture emphasizing collectivism, I tend to sacrifice my own interest for the group benefit. 请帮我分析句子结构， being brought up 是作什么成分呢？

问题 关于or和nor的区别

Gas is a substance without a definite volume nor with a definite shape.改错正确答案为Gas is a substance without a definite volume nor a definite shape.那么这里可以用without a definite volume or a definite shape 吗？or和nor的区别是什么？感谢大家！！

问题 a-standing是什么意思

1. There they are a-standing in a row. 这句话的语法结构是怎样的？    a-standing 是什么意思？2. We ain't got no stinking entrees. 这句话是双重否定吗？   为什么用 no 不用 not?

问题 (a) long time的用法

We waited (   ) for the bus．A．long time B．a long timeC．the long time D．some long time这道题为什么选B？A或D为什么不可以呢？答案B中time是表示时间的不可数名词，还是表示一段时间的可数名词呢？

问题 关于比较分句作名词修饰语的疑问

...as引导比较分句修饰名词：Life as we know it needs water and air to survive.This is history as it was lived by the men of the 505th Regiment. 但是既然作为比较分句，那么比较项在哪里？是省略了吗？如果认为分句中as作的成分（或者说分句中的空位）...

问题 could have done表推测时只用于否定句或疑问句吗

... have gone home. 他可能已回家了。(3) Don’t worry—they ________ to phone.A. can just forget                        B. could just forgetC. can have just forgotten         D. could have just ...

问题 a great deal可以表示“经常”吗

‍We see each other a great deal because we live very close. 因为我们住得很近，所以我们经常见面。 这句里面的a great deal 表示“经常”，那就是表示频度了，a great deal有这样的用法吗？请老师再举例说明一下，谢谢！‍