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问题 这些用法是 whenever型真实条件句吗

...词的解释，通常会用if句型，比如VERB 发现…的所在If you find someone or something, you see them or learn where they are.VERB 用；使用；应用；运用If you use something, you do something with it in order to do a job or to achieve a particular result or effect.这些if从句...

问题 插入语是对主句中哪个对象的修饰

But detractors maintain that the terraces could also have been created by geological activity, perhaps related to the geologic forces, in which case they have nothing whatever to do with Martian water.请问在这个句子中，双逗号中间的这个插入语，是修饰了前一句中的terraces ...

问题 those very fears是什么用法

Looking back, I’m glad that I overcame my fear. Fear can consume everything in a person’s life. Hiding from those very fears only digs a hole, which makes a person stay trapped inside. After facing up to a fear, one may find life easier and much more enjoyable.这里的 those very fears 是什...

问题 the 18th and early 19th century中century为何不用复数

...nbsp;and early 19th century. 问题：名词 century 受到 18th 和 early 19th 的修饰，它为什么不用复数呢？明明是指的两个两个世纪嘛！

问题 it is typical of sb to do sth的若干个难点问题

...al of sb to do sth难点一：这里的 typical 不像是表示品质特征和聪明程度吧？为什么也可以这样用？难点二：这个句式也可以用 sb 作主语吗？比如：Sb is typical to do sth。有样的例句吗？难点三：如果说 typical 是个例外，那还有其他的...

问题 any but如何理解及省略

...sed.句子的结构看不太懂：Question 1:And sure enough，and是不是和开头的however并列，还原后and however sure enough…?And sure…. collapsed这个句子是不是倒装句？Sure enough是修是谁的？Question 2:Any but的结构部分应该怎么理解？我理解的是theories...

文章 tell the difference 错了吗

...It’s difficult tell the difference between butterflies and moths.蝴蝶和飞蛾很难区别。(《牛津英语搭配词典》第2版英汉双解版pp.459-460)The new version is supposed to be much better than the old one,but I can’t tell the difference ( between them). 新版本应该要比...

问题 奇怪：这个祈使句省略的主语不是you

有这样一个句子： Our boss is really a kind-hearted person—always ready to help anyone in need. 我们老板确实是位热心肠的人——总是乐于任何需要帮助的人。 这个句子破折号后面的祈使句的主语好像是our boss吧！这不是破坏了&l...

问题 时间状语today, yesterday, tomorrow可以放在句中吗

... of gray clouds today. 今天天上满是灰色的云。Yesterday a state dinner was given in honor of the visiting president. 昨天设国宴款待来访的总统。请问它们可以放在句中吗？

问题 since做连词引导句子的时态问题

一般since引导的状语从句都是过去式，然后主句是现在完成时或者现在完成进行时如：So much has changed in the sport since I was a teenager.但有看到过是引导的句子是现在完成时的而非过去式Since you're finished the work, you may leave anyime1、...

问题 这两个句子没有被动语态的原因是什么

...bsp;        （1）We asked for Mr Miller to be placed in a more responsible position.（2）（1）没有被动语态，是因为come不及物吗？（2）没有被动语态，是因为to be placed已经是被动的形式了，所以才没有被动语态的，对吗？请老师...

问题 判断 to 是不是介词(可能涉及 from...to)

Rather than being opposed to the entire idea, his apprehension seemed to be from reluctance to send a new weapon to the front in too small numbers.句子中的 send 前的 to 应该是介词吧，而不是不定式，所以 send 应该改成 sending，这样分析对吗？求解答! 谢谢!

问题 为什么三个谓语动词只出现了一个连接词

The companies are working together to create________they hope will be the best means of transport in the 21st century.A.which B.that C.what D.whocreate后面跟的是宾语从句吗, what they hope又是什么从句， 为什么三个谓语动词只出现了一个连接词呢?

问题 应该使用单数is还是复数are的概念呢？

...ugly 210 people, less than one-tenth of what you normally see are expected in the assembly hall,Their role, to introduce the videtaped speeches of their leaders.请教老师：如果改写成完整的句子，应该是Their role (is 还是 are) to introduce the videtaped speeches of their leaders.&n...

问题 请教all of+ 关系代词

I've assisted in six esophageal resections, all of which were free of complications.老师，这里的all of which是不是类似于all of you? 我觉得which依然引导的是非限制性定语从句，指代resections。但是all of该怎么分析，把all of作为限定词修饰which的说法对...