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问题 关于then的用法(如何判断它应该是指“后来”还是“接着、然后”)

具体语境如下：Once Tom turned 10 years old, his grandfather presented Tom with a Nun chuck.Tom was then taught about how to use it.我的第一感觉就是这里应该是“接着、然后”的意思，而我的朋友告诉我这里应该是时间间隔更大的“后来”的意思。我发...

问题 must be与must have been的区别

She must have been fifty or so when I first met her at a conference.请问这句话中谓语为什么是 must have been,而不能是 must be?

问题 different from what与 different from which的用法区别

Some children want to challenge themselves by learning a language different from _______ their parents speak at home.答案是 what，这个我能理解。但我想问可以用 which 吗？which 引导定语从句，作 their parents speak 的宾语，请问错在什么地方？ 还有，如果...

问题 which和as引导的非限制性定语从句的位置问题

...后。例如:He is a famous scientist,which is well known.但这一句：The moon which is 384400 kilometers away from the earth,creates many beautiful stories.1. 为什么这里which引导的非限制性定语从句可以放在主句之中?2. as引导的非限制性定语从句可放在主句之前...

问题 such as表列举时前后要不要逗号

They sell cloths, such as cotton cloth, silk cloth, and woolen cloth. 他们卖多种布，如棉布、丝绸和毛料。They sell cloths such as cotton cloth, silk cloth, and woolen cloth. 他们卖多种布，如棉布、丝绸和毛料。这两句都对吗？such as前面用不用逗有何区别...

问题 what ,how 连接词的用法

...意很通顺，怎么不通顺呢? You must think of____you can do more for others. A.that B.how C.what D.which 我觉得B，C都可以。如果把more看成副词的话，more 就不是宾语了，作状语。那就可以用what。 选C的翻译是你一定要想到你能为别人更多地做...

问题 once every five years中的once可以省略吗

在下列句子中，在时间名词前为什么一定要加 once？可以省略吗？加不加 once 有什么区别？I buy a new car once every five years.

问题 非限制性定语从句 who, whom

Well, no, although I did have an imaginary friend, who... my parents actually preferred.这是老友记的一句台词，句中的关系代词who 是否应该用whom，因为是宾格形式谢谢各位大师

问题 that 指代单复数

Syria is a difficult place to train as a table tennis player. When Zaza is practising, there is no air conditioner and power failure is common.However, none of that has stopped Zara from practicing table tennis.请教老师：1) 上文中的none of that 使用是否正确？是否应该用Neither of...

问题 如何理解it seem like [as if]是什么从句

...给出其词性，应该怎样理解它们？如例句：1. It seems like their relationship is over. 他们的恋爱似乎完了。    It seems like years since we last met. 我们似乎好几年不见了2. It seems as if they are no longger in in love. 他们似乎不再相爱了。 ...

问题 think of A as B是否可以换成think A as B

think of A as B 是否可以换成 think A as B？因为 think 可以是及物动词也可以是不及物动词。比如：MOST people think of the empty space between the stars as being, well, empty. 大多数人们认为星星之间就是空无一物，但事实并非如此。

问题 为什么是 normally a timid boy 而不是 a normally timid boy

老师们好！我看到这样一个句子：Tom,normally a timid boy,jumped into the river and saved the drowning girl. (https://www.cpsenglish.com/question/47623) 我认为这里的 normally a timid boy 应该改为 a normally timid boy ，对吗？

问题 比较状语从句中的省略用法

...t high than at low elevations, and in an especially cool year, it might be too cold to grow crops at all.在这句中than at low elevations可以省略吗？恢复成完整的句子应该是because it is cooler at high elevations than it is cooler at low elevations，既然成分一致，为什么...

问题 ​She made him a good wife 中make的用法

...构为：主语+谓语+间接宾语+主语补足语= She was a good wife to him (她成了他的好妻子）。对书上说的以上分析，我很不理解。例如，make怎么会是不及物动词呢（例如...made him...）？这句话究竟该如何分析语法和成分呢？

问题 怎么分析what is left of their business 语法成分和含义呢？

They are fighting to save what is left of their business. 他们在拼命抢救他们仅余的业务。 这里疑问是： 怎么分析what is left of their business 语法成分和含义呢？是what of their business is left 这样的语序吗？