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问题 of+名词结构

As the world's population continues to grow, the supply of food becomes more and more of a concern. 老师，您好，请问 of+名词=adj.的这种结构中，名词前面不是通常是零冠词吗？如 of importance = important，可是为什么上面这个句子中是 of a concern 啊？

问题 句子成分划分

Woody and Buzz managed to escape from Sid's toys. They ran out into the hallway and came face-to-face with Sid's dog, Scud. Woody ducked into a closet. Buzz hid in a dark room behind the door.

问题 dig与dig out的区别

请问这两个表达如何准确理解：dig a well 挖井dig out a well 挖出一口井“挖井”不正是“挖出一口井”吗？

问题 双重所有格中的名词中心词必须非特指吗

前面的网友提了一个问题：A: Who gave you the ticket?B: ______ friend of my father's.A. The       B. A所给答案是 The, 为什么不能用不定冠词呢？专家们的解答分析思路各有不同，但网友选择的是观点“双重所有格中的名词中心词...

问题 用括号里的词(after/by the time)改写句子

1. When Dave left school, he worked for several years in a zoo. (after)唯一标准答案是：For several years after Dave left school, he worked in a zoo.  我的句子：After Dave left school, he worked for several years in a zoo. 请教老师，我的答案是否正确？其次，解题人...

问题 had, have had, had had 的区别

By 31 January, 191 adults had been treated for the virus and either discharged or died at the two hospitals. The average age of these individuals was 56, and 62 per cent were men. Around half of those treated had underlying medical conditions, most commonly diabetes and high blood pressure.这...

问题 主谓一致疑问

Radiation from the sun, space, and from communication devices on Earth are constantly bouncing around on the surface of the planet. 老师，这里主语明明是radiation，为什么使用复数谓语are？这是对的吗？

问题 half的主谓一致问题

one and a half修饰名词时，用复数，但谓语动词用单数。 但是two and a half修饰名词时，用复数，谓语动词也用复数。 我们老师说名词时和1比较，动词是和2比较，这种说法对吗？ 如果不是又该如何解释呢？

问题 badly(急切地)的同义词

We badly need a vacation.We ______ need a vacation.这里的 badly 意思是“急切地”，请问它的同义词是什么？

问题 主语补语从句还是宾语从句

It took me a long time to understand where he came from.这句话中where he came from为什么不是主语补语从句，而是宾语从句?这句话中a long time是宾语，me是宾补吗?

问题 where口语中疑问用法疑惑

C ：Muriel, you didn't tell me!R ：Uh……were you a friend of Scotty, Muriel?如何理解were you a friend of Scotty, Muriel? 这个问句的语言结构？

问题 定语从句修饰问题

"Nissan does have some product segments where Honda doesn't currently play," that a merger or partnership could help, said Sam Abuelsamid, a Detroit-area automotive industry analsyt.这句话的where和that这两个都是定语从句修饰这个 some product segments吧？

问题 比较对象的一致性问题

...对吗？我觉得有问题，因为前后面的比较对象不一致：This visit is very different from / to last time. 这次的访问与上次大不一样。在这个句子中，this visit 与 last time 不能相比较吧！我觉得应该是将“这次访问”与“上次访问”作比较，...

问题 can在肯定句里表示推测？

记得can表示推测不用于肯定句呀？ The World Wide Web is sometimes jokingly called the World Wide Wait because it can be very slow. 这个是推测吧，反正这个不是表示能力和允许，句子还挺逗，祝老师开心一笑。  

问题 逗号后的ready to...用作什么句子成分

I get along with others easily, ready to give help whenver it is needed.后面的ready to...作什么成分呢？