问题 关于contentment的搭配问题（亦或者是in的问题）

最近翻阅字典翻到以下句子：They finally found contentment in living a simple life.他们终于在简单的生活中得到了满足。     She fell sleep in quiet contentment.她平静而满足地睡着了。      但我翻阅了很多字典只说查到了“with contentment满...

问题 's 与of 的疑问

什么时候's 和of可以互换，什么时候却不可以互换？如这里，是应该's 还是 of? 或者两种都可以吗？ Three years ______ study in high school has made him mature a lot.

问题 saying是什么意思

在he has also said that saying something in a specific frame of mind is thinking a thought. 中saying是什么意思？ that saying something in a specific frame of mind is thinking a....是宾语从句吗？ 

话题 not in the least的用法

话题 in the same way as

话题 in the same way that

话题 the first in doing sth

话题 aimed in the right dirction

话题 look sb in the eye

话题 The problem is in/with...

话题 play about in the way

话题 the window in my car

问题 the English expression in question的理解与翻译

And if you happen to know the English expression in question, translation becomes easy.

问题 时间名词+where（in the summer where）

前面有网友提了一个问题涉及the summer where：https://www.cpsenglish.com/question/60108碰巧我这里也碰到一个：I suppose it must be pretty hot in the summer where you come from. 请问也是一样的理解吗？好像不通啊！

问题 The expriment requires more money than has been put in.

The experiment requries more money than_______    A. have been put in   B. being put inC. has been put in    D. to be put in为什么不能选B？