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问题 动词need在否定迁移中如何与后面成分搭配

老师您好：有这样一道选择题：I don’t think he ______ a new bike.   A. need to buy      B. needs buy     C. need     D. need buy 答案是A，但是我认为C和D也可以，请求解析一下！ 

问题 through the night 的用法

I often awoke and found myself sitting up in bed through the night.through 是穿过意思，这句中是不是表示我总是醒的动作发生于夜晚从头到尾的时间段内，整晚。

问题 satisfaction of (for) doing sth中用介词of与for的区别

这两句话中的介词 of 和 for 的区别是什么？They say that the satisfaction for learning to play a new song helps a child express creativity.They say that the satisfaction of learning to play a new song helps a child express creativity.

问题 a mass of...作主语时的主谓一致问题

A mass of people ______ gathering in front of the factory.A. was    B. werea mass of...作主语时谓语动词是用单数还是复数？

问题 be done doing sth的用法

I am done trying, 请问done的使用？为什么不是 I have done trying?

问题 a historian of science是什么意思

For the past five years, Paula Smith, a historian of science, has devoted herself to re-creating long-forgotten techniques. 请问本句中的a historian of science是什么意思？

问题 挺奇怪的句子结构，是省略句还是什么？

I have to admit,part of me wanted to say no.这句话的句子结构成分怎么划分呢？请教老师，谢谢

问题 不定式为什么没有to

I never know him do such a thing.这个句子中的动词do为什么没有to？

问题 如何判断一个句子是虚拟条件句和还是推测条件句

...中例举了这样两个例子：与将来事实相反的虚拟条件句：If it were to snow tomorrow, I should (would) stay at home.推测条件句：If I were to see him, I would speak to him about it.疑问：我就分不清这两句哪个是虚拟条件句，哪个是推测条件句，感觉这...

问题 状语里面如何使用动词的不同形式

The global economy has resumned growth, with emerging market delivering a strong performance.译文：经济开始复苏，新兴市场表演突出。with...这个应该是状语吧？不懂状语里是如何使用分词的啊？

问题 where引导的是什么从句

...rk词条，有：a : to indicate (a location, such as a location on a map) with a mark or symbol   X marks the spot where the suspect was last seen. 根据上面的解释和例句，似乎可以这样：1a. X marks the spot where the suspect was last seen.1b.X marks the spot on the ma...

问题 variety的问题

...rieties of food are sold here.4.也是课文出现的：diverse culture of the USA 请问为什么这里culture不用复数？

问题 如何理解 any idiot

...瓜”，但是这样的理解不适合下面这样的句子：Any idiot with a basic knowledge of French should be able to book a hotel room in Paris.

问题 a ballet of的理解问题

Where other playwrights provide a verbal narrative, Wilson uses the abstracted language of visual form to present a ballet of shape and space. （译文）当其他剧作家提供一种文字叙述时，威尔逊使用抽象的视觉形式语言来呈现一种形状和空间的芭蕾式交流...

问题 when从句是表语从句还是状语从句

Gratitude is when you feel appreciation for people and things.请问老师：when引导的从句是做表语从句，还是状语从句？怎么判断？