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问题 precaution后面接of doing sth还是接to do sth

He took the precaution _______ everything in the safe.A. to lock      B. of locking请问如何选？为什么？谢谢专家！

问题 英语难句分析（涉及was as short as it was intense）

But the ecstacy of the lovers was as short as it was intense.请专家帮忙分析这个句子，谢谢！

问题 现在完成时/现在完成进行时 用法存疑

...进行时have always been thinking呢？类似I've been thinking about the problem for ages.同样还有一句：2. She ________(study) for her exams for the past three months.正确答案是has been studying为什么不能用has studied? 

问题 in a tree与on a tree的区别

高考阅读内遇到的问题，A bird sitting on a tree is never afraid that the branch will break because its trust is not on the branch but on its own wings.查了很多版本的原题，都是使用on。求助各位大神，是否有更深一层的理解。

问题 shift可以加双宾语

FEMALE PROFESSOR: Now, migration’s a natural survival strategy.Over the past two million years, colder glacial periods have alternated with warmer interglacial periods.FEMALE PROFESSOR: And so…um, in-in response to these gradual climatic swings, some species have shifted their ranges h...

问题 关于定语和补语

...问。A suffragist is a person who is in favour of women having the right to vote, especially in societies where women are not allowed to vote. 妇女参政论者请问老师，句中的having the right to vote整体是做什么成分呢？是做women的定语还是women的补语呢？如...

问题 精读4课文中what在句子中成分-追问

...小疑问，what my map would later tell me  was a stream called the Loch这个嵌入式关系分句中，我知道what was a stream called the Loch 充当my map would later tell me 的宾语，my map would later tell me 是什么分句呢？谢谢您

问题 请问为什么主句是过去时，从句是一般现在时啊

I thought it has to do with the size of the guy's feet.请问为什么主句是过去时，从句是一般现在时啊还有就是如何理解has to do with的语法成分啊，把它看成一个或两个短语动词吗？谢谢高手指点

问题 让步状语从句中为表示动作发生先后可否用过去完成时?

...但我仍没有通过考试。Although I had tried, I still failed to pass the exam.请问老师, Although引导的让步状语从句中, 为表示动作try发生在fail前, 可否用过去完成时?答案是Although I tried, I still failed to pass the exam.望老师解答，谢谢！

问题 China government 和 Chinese government 究竟有什么区别

The tomb of Emperor Qin Shihuang was constructed more than 2000 years ago and has never been opened.This is because archeologists, as welll as the Chinese government, want to protect what lies inside it.This is because...中的This指代了什么？为什么不是China government, China government ...

问题 为什么用being来替代有实义动词的成分

Adam have to study harder in the future and get used to being.这里being应该指的是have to study harder in the future 吧，可是为什么用being来替代有实义动词的成分呢呢。如果不是的话，being在这里是什么作用呢，请各位老师帮忙解答一下。

问题 是用friend还是friends(初中人教版教材九年级)

...人教版义务教育教科书英语九年级 unit 11中，2d, role-play the conversation 里面Nancy有一句：It made Alice unhappy because she thinks Julie is now better friends with me than with her.（见82页倒数第五行）这句话中为什么是better friends，而不是 the better frien...

问题 vacation, holiday 和 leave 表示“假期”的区别是什么

各位老师好！有这样一道选择题：The worker asked for _____ to see a doctor, and the boss gave him two days _____. A. vacation, off B. leave, off C. holiday, leave D. off, leave我认为应该选择C，但是答案是 B。请问，vacation, holiday 和 leave 不是都可以表示“假...

问题 when,while,as从属连词的选择

The snow was getting deeper and deeper when/while/as we waited for the train to arrive.看到一道题，答案是while或as，不可用when。可是《新编英语语法教程》说主句和从句如果都表示持续性动作，并且同时发生，持续时间大致相等，前后都用一般过...

问题 句中的副词问题

请问曹老师，‘Follow me, you two,’said Teacher Lee, and they marched on up the corridor.句中的march on up the corridor表达的是个什么具体的意思？如何划分其结构？其中的on和up都是副词吗？它们在这个表达中都是什么意思？它们作用对象又是谁...