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问题 关于不定冠词和定冠词的用法。

1.An owl can see in the dark.2.The whale is in danger of becoming extinct.语法书上说，第1句的猫头鹰和第2句的鲸鱼都表示某类动物，为什么1句用不定冠词，第2句用定冠词了？

问题 复合形容词与复合表语是同一意思吗

老师，如何分清分词短语，介词短语是作形容词的状语？知道句子什么意思，但还是有时分不清它们两者之间的关系？例如：She is busy...house.它是装修房子的结果，自己才忙；还是装修房子忙，她处于忙的状态？

问题 被动句属于英语五种基本句型中的哪一种

English is spoken in many countries. 请问这句话的结构不是主系表的话是什么结构？谢谢~

问题 复合关系代词what理解问题

...at which/the thing that.What remains (=That which remains) in our memories is his courage and undauntedness.好像记得语法网老师说过：复合关系代词what=the thing which 或 the thing that，但为什么书上说=that which呢？这个例句What remains (=That which remains)这里对吗...

问题 百分数和分数做主语，词性是代词吗

最近在思考一个问题，请问老师们，百分数和分数像如下例句一样做主语，是不是他们的词性应该是代词？或者应该是什么词性呢？One thirds of the workers are women.60% of the water is clean.

问题 see sb doing的宾补能是短暂性动词吗

牛津字典有这样一个例句：They observed him entering the bank.他们看见他走进银行。有语法书说在see sb doing的结构中，强调动作的进行，即非全过程，所以作宾补的doing通常是延续性动词，而不是短暂性动词，因为短暂性动词一开始就...

问题 还是关于as, which的问题

... 则意为“这件事；这一点” (相当于 and this / that / it)，它们所表达的意义是有差异的。试比较： Everyone likes Tom, as you can see. 正如你所看到的，大家都喜欢汤姆。 Everyone likes Tom, which you can see. 大家都喜欢汤姆，这一...

问题 even when（when引导让步状语从句）

... make a movie a financial success even when movie reviewers would not rate it highly.能麻烦老师专门分析一下这个问题吗？even when 只能引导让步状语从句吗？我的意思是，even when 能不能引导时间状语从句？

问题 表示恐龙整个类属用复数dinosaurs还是用the dinosaur

...are dinosaurs. They lived on the earth tens of millions of years ago, long before humans came into being and their future seemed secure at that time.请问：句中的 The most famous of these animals are dinosaurs 可以换成 The most famous of these animals are the dinosaur 吗？这应该是指...

问题 Two twos作主语谓语用单数还是复数

请教大家一个很简单的主谓一致问题（但对我很难）：Two twos _____ four. 二二得四。A. areB. is请问选A还是B？

问题 guarded,defended,protected,safeguarded的区别

Winter wheat lying under snow is ___ against the cold.A. guarded       B. defended       C. protected       D. safeguarded答案为C，请分析一下这几个词的用法谢谢。

问题 请教一个让步的理解问题

Thigmothermy is a behavior present in most amphibians, although pressing against the ground serves a dual purpose heat absorption by conductivity and water absorption through the skin.(备注：thigmothermy: heat exchange with substrates such as rock or earth)请问这里的为什么要用让步，...

问题 介词短语(until this evening)能作动词的宾语吗

The City Health Department is giving us until this evening.介词短语能作句子的宾语吗？（动宾）

问题 英语不能说 a US girl 吗

Who's Amy? Oh, she is ______ girl.A. an nice  B. a Chinese    C. a English    D. a US这题的答案选了B，为什么不能选 D？

问题 above over用法

1//柯林斯词典第八版里： Above is also an adverb. Banks have been charging 25 percent and above for unsecured loans. 为什么是副词，我认为完整一些应该是charging 25 percent and above 25 percent，所以应该是介词呀？ 2//关于above over morethan等介词如下...