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问题 与 first 搭配用什么介词

_____ first, he could speak little English.A. In    B. On    C. At    D. From

问题 表伴随还是独立主格

...roject请问老师，红字部分是独立主公还是表伴随呢？因为从句的主语和主句不同，个人认为应该是独立主格。但是从句和主语和主句的主语又存在联系，所以也不太确定。

问题 从句中是用what is the matter还是what the matter is

He really didn't know what was the matter. 这句话中为什么不用 what the matter was? 请专家老师解释一下好吗？

问题 let alone（更不用说）后接动词用什么形式

let alone（更不用说）后接动词用什么形式？比如下面一题：The baby can’t even sit up yet, let alone _____ (walk).该填不定式？动名词？过去式？还是……

问题 the other和another的用法区分

各位老师好，请问这个句子中：Neither of them knew what the other/ another was doing. 应该用the other还是another呢？答案给的another，可是为什么不可以用the other，理解为两个人都不知道对方正在干什么呢？

问题 表示在某楼层用什么介词

The young college students occupy an office _______ the 20th floor. 填什么介词？in还是on？

问题 参加考试用take与take part in

The children said they wished they didn’t have to ______ exams.A. take    B. take part in   C. join    D. join in答案是 A。为什么不能用 B?

问题 三个 if 从句到底是虚拟条件句还是真实条件句

But if the students keep going, if businessmen start to wobble and if cracks were to appear in the army, the revolt could enter a new phase.个人按前后文分析，认为前两个 if 句为be- 型虚拟式，第三个 if 句为 were- 型虚拟式。但有其他同学认为前两个 if 句是真...

问题 must表示应该和必须的区别

各位老师好，在反义疑问句中，must 表示“应该”，疑问句用 mustn't （不应该）；而 must 表示“必须”，疑问部分用 needn't （不必），如 You must study hard next term, mustn't you? （应该）They must finish the work today, needn't they? （不必）可...

问题 No matter what和no matter how的用法差别

...是把how改成what，给的解释是“what在句中既引出让步状语从句，又在从句中充当are的表语；how不具备此功能。”翻语法书没找到相应知识点，想请老师帮忙解答。

问题 until用于肯定句与否定式是否分别表示否定意义和肯定意义

...否定句有肯定意义吗？为什么第一句，第二句可以这样用的？老师，还有什么单词与until的用法一样的。

问题 ​反义疑问句用would you或wouldn't you

反义疑问句：Have dinner with us, will / won't you?可否用would you 或 wouldn't you? 为什么呢？

问题 大学英语作文（批改）

...life, such as breaking up with friend, losing money or failing in project. When these happen, an old saying probably occurs to us: easy come, easy go. However, we may wonder why something easy to get are also easy to lose?We think highly of what we pay a lot to get while barely value what we get eff...

问题 keep后接动词用什么形式

keep sb do,keep sb to do,keep doing,keep sb doing这四种说法都对吗，都是什么意思、有什么区别？

问题 这里为什么用would

It would take me 45 minutes to get to school by bike！I would never do that.would不是用于过去时嘛，这里为什么使用would？