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问题 句中的现在完成时用法

As my studies have advanced, I have been increasingly impressed with the functional similarities between insect and vertebrate societies and less so with the structural differences that seem to constitute such an immense gulf between them. 句中两个现在完成时用法是表示事情一直...

问题 as from与from的用法区别

...as from midnight tomorrow. 新法律从明天零点起开始生效。句中的 as from midnight tomorrow 表示“从明天零点起开始”，查了一下词典，as from 的意思是“从……起”，而单独用 from 不是也表示“从……起”吗？那这两者有啥区别？谢谢讲...

问题 that 的分析

请问老师：When they first moved to town, they rented. [=they lived in a house, apartment, etc., that was rented]这句是韦氏的一个例句，括号里句子的that是什么词？谢谢！

问题 如何解释If you would be so ki

I should be grateful if you would be so kind as to allow Jim to leave school on Friday. 你如果能准吉姆星期五上去上学的假，我将不胜感激。 请问这里的 if 从句为什么用 would be 而不用 were 呢？

问题 我觉得这道考察非谓语动词作定语题目出错了

...性词被序数词、最高级、all、no限定时必须使用不定式作定语。

问题 not to smile，not to touch视作定语还是状语，如果是状语，是充当什么状语？​

It is considered unfriendly not to smileIt is best not to touch unless you are sure the other person is comfortable with it.这两句里的not to smile，not to touch视作定语还是状语，如果是状语，是充当什么状语？

问题 forture的可数性（到底可数还是不可数）

...了《柯林斯高阶》部分内容作为解答，我看到上有N-UNCOUNT的标示，这个N-UNCOUNT不是表示不可数名词吗？为了核实，我也查了《柯林斯高阶》，上面确实是标的N-UNCOUNT（不可数）。但问题又来了：词典虽然标明它是不可数名词，但...

问题 There was nothing to it 是什么意思

...ew the burnt piece into the sink and put in the other slice of bread. This time, she turned down the fire so it cooked nicely.Then Jeff noticed steam shooting out of the pot and the lid starting to shake. The next minute, the porridge boiled over and put out the fire. Jenna panicked. Thankfully, Jef...

问题 as well as后的动词用什么形式

We expect her to do the housework as well as _____ the children.A. look after   B. looking after选择 A，是不是省略了to(本该 to look after),由于前面有实义动词 do, 所以省略了to?另外该题也可以选择 B，意为：做家务如照顾孩子一样好。不知对否...

问题 连词though可以连词于词吗

This may require synchronised, though country-specific fiscal stimulus complemented by accommodate monetary policy.我们通常见到的都是though加从句，但它可以连单词吗？

问题 be +adj+to do sth与be+adj+doing sth,be+adj+that的问题？

老师，能作系表结构的形容词或形容词短语后面都可以接that从句，不定式，V-ing分词吗;important、difficult、necessary…be+adj+to do sth,都是这样的搭配。busy就是be+adj+doing。形容词后面是加to do还是doing，是需要一个一个记忆吗？

问题 in assuming与by assuming的区别

In assuming the existence of comparable types, however, we are not denying the individuality of all historical processes.这一句里可以用 by assuming 代替 in assuming 表示方式吗？ 两个有什么区别?

问题 it, this, that 做指示代词时的用法分别是什么

这句话中可以用this 或that 吗？

问题 give sb the news的说法对吗

Mother asked me to give him the news at once. 请问这里为什么用 give sb the news，这个说法对吗？不是应该说 tell sb t he news 吗？

问题 关于as...as的问题

Yet few are as of techology promise as great an impact in as short a time.