comeabout和happen
come about表示“发生、产生”，多指事情已经发生了，但还不知道为什么，常用于疑问句和否定句，例如：
When Mother woke up, she didn’t know what had come about。
I’ll never understand how it came about that you were late three times a week。
Do you know how the air accident came about?
happen常指具体事件的发生，特别指那些偶然的或未能预见的“发生”。 比如：
New things are ha...全部
come about表示“发生、产生”，多指事情已经发生了，但还不知道为什么，常用于疑问句和否定句，例如：
When Mother woke up, she didn’t know what had come about。
I’ll never understand how it came about that you were late three times a week。
Do you know how the air accident came about?
happen常指具体事件的发生，特别指那些偶然的或未能预见的“发生”。
比如：
New things are happening all around us。 我们身边总有新事发生。
Happen还可表示“碰巧；恰好”之意。如：
It happened that I had no money on me。
我刚好没钱了。
take place通常指“(某事)按计划进行或按计划发生。”比如：
Great changes have taken place in China since。
中国发生了翻天覆地的变化。
此外take place还有“举行”之意。如：
The meeting will take place next Friday。 会议将在下周五举行。
。收起
