The regrowth in plants also brought back many animals to the land. This return of life to Glacier Bay is why it is sometimes called "a land reborn."请问老师，句中的介词 in 和 of 可以互换吗？
...n earth.B：He
was lying. I told him that if he cared about her at all, he had to.C：Maybe
it was the truth. It can be true without him knowing it's true.句二：We immediately got close to the enemy
guard and aimed at him without his realizing what happened.以上是我遇到的with(without)后...
But like many things perpetuated on the interwebz, creatine information has succumbed to the unfortunate demise of faulty information. Or as we like to say in the fitness world: bro science.
请问这句话中的succumb to the unfortunate demise该怎么理解？
...From the North Pole, the traveller wrote a book about his experience
andhad it published the following year.我填的是Having returned，但是我在网上查到了2个相关课件，答案是Returning。我在这个问题（https://www.cpsenglish.com/question/30042）中看到：“doing作状语...
... a few weeks ago. And it came to me then how
much easier it would be if we had a range of words that express different
grades of gratitude.请教老师加粗部分句子的结构怎么分析：1.主干句子It
came to me then how much easier it would be 中出现的两个it的用法。2.How
much eas...
The book you bought yesterday costs less than that I had bought the other day.The book you bought yesterday costs less than what I had bought the other day.这两个句子哪一个句子是对的呢？ 还是两个都对？
This Brett, that I had felt like crying about.She is devilish like Miss Cutter, that I used to meet at Dumdum.为什么以上2句that可以引导非限制性定语从句呢？ 上面2句可改成who或which吗？即This Brett, who/which I had felt like crying about.She is devilish like Miss Cutter, ...
The work entailed a number of expense which I had not allowed for.为什么这句，后面which引导的定语从句，先行项只能认为是expense, 而不能认为是a number of expense 呢？而在The work entailed a number of expense, which I had not allowed for. 先行项却只能认为是a n...
...n who was wearing square glasses exactly the shape of the markings the cat hadhad around its eyes.问题：我的理解exactly是做强调用，但感觉加粗部分更像是定语修饰glasses，是exactly前省略了 that is （...glasses that is exactly the shape...）嘛？麻烦老师帮忙分...
请问老师，than后面省略了什么成分？But what do we do with the data showing that many kinds of zooplankton don't dive deep enough during the day to become invisible to predators or that others dive deeper than it's necessary to escape hunters' eyes.
...语语法（2012）”P674页有这么一句：This meat is
better than we had last week.（？？有问题）拆句：This meat is good.和The meat we had was
good last week.前面说了，合为一句要删除比较要素，变为：This meat is
better than that meat we had （was）last week ...
Many ancient cultures built observatories from which to carry out celestial observations. 许多古代文明都有建造天文台观测天象。from which 在这里当什么词性? 若拿掉这两个字，对句意有影响吗?Thanks a lot.