话题 as an accompaniment of the great advances in pure science是在句中做it主语的补语吗？

问题 speculate on 和 speculate in有什么区别

有时候我看到 sptculate on the stock market  但有时又看到 speculate in the stock market这两种写法有什么不同吗 ?

问题 for example的用法

...充语。不过当时的例子是for example前后分别是两个句子：There are several different ways to bind a book, for example, you can stitch or stick the pages together.

问题 be hard to do sth等结构中的不定式用主动式与被动式的比较

我看到了一个句子：The new relative party in our contract system took a while to be updated.我想问，可以用 to update吗？类似于下面的句子。I am hard to love.I have a lot of work to do.This is hard to believe.谢谢！

问题 place的复数形式怎么用

请问一下。The plants are growing everywhere......Although we allow tomato plants to grow in the some place year after year.句中为什么不用places为复数形式呢？前面不是说everywhere吗？还望老师帮忙，谢谢了！

问题 active能作为动词吗

active字典上只有形容词和名词，但我看到一个句子：Because the electric buttons used to active the door wouldn't work, he became a prisoner in his own car. (出自一份四级模拟卷) 这里的active明显被当成动词使用！

问题 if that 是什么结构

Moreover, it had to be borne in mind that the hugest whales, those found near the Aleutian, Kulammak, and UmgullichIslands, have never been longer than 180 feet, if that. if that 是什么结构？

问题 关于that of 的用法

But often，especially for original artists，the problem is in one way that of creating a language.老师，这里为什么要加that of 感觉有些多余，我看有些例句在名词前面加that of,比如the principal concern is bound to be that of wining the next general election,为什么要...

问题 主句过去时,从句时态问题.

遇到两个例句,对它们从句的时态不能理解...1.I heard they are going to raise money for the school buildings.  (既然是过去听说,为什么从句不是过去将来时呢?)2.At last Jim handed over the money he stole in the supermarket. (主句是过去时,那他偷钱的动作...

问题 新牛津英汉双解大辞典risk的英文释义疑似错误

...sp;in such a way as to bring about the possibility of (an unpleasant or unwelcome event)• 冒…的危险»coal producers must sharpen up or risk losing half their busi...

问题 介词后面的宾语从句有介词➕what ➕主语➕vt➕to be 句式吗

Their analysis is based on what research indicates to be the major cultural forces affecting changes in literacy education.各位老师好，请问：1. 句中what可以分析为名词性关系限定词修饰research吗？如果可以的话是否分析为：what research（相当于the research that...

问题 What的用法

You have to consider the place in what size. what这样用对吗？他可以直接修饰名词，不用于句子吗？

问题 in/at 表示方位的介词究竟有何不同

...的内部，而at则表示“模糊”的方位，例如，当我们说in the stadium,很明确在体育馆的内部空间，而at the stadium则表示在体育馆，是一种模糊的概念，可能在体育馆内部，也可能在体育馆的门口，靠近体育馆的外面等，不确定“具...

问题 as involved as 理解

FEMALE STUDENT: I bet it also takes the mystery out of the filmmaking process-you know, everyone has time to get used to the filmmakers and their equipment.Para22FEMALE PROFESSOR: Exactly! Trust is established and relationships are built first.Para23FEMALE STUDENT: Wow, this seems lik...

问题 相同句型问句答案不同的困惑

1) Judging by the smell, the food must have gone bad, (hasn't it) ?A. mustn't it  B. didn't it  C. hasn't it书上说答案是C. hasn't it 2) People on the scene must have taken him as a nut when he was doing a performance in the street yesterday afternoon, (didn't they) ?A. mustn't they  B. did...