Tell me exactly what has happened.

告诉我到底发生了什么事。

Imagine what has happened to them over the last 300 years!

想象一下在过去的300年里他们发生了什么！

Speculating on what has happened.

推测发生了什么事

Come on! I know what has happened!

别瞎吹了！我知道发生了什么事情！

This is what has happened in Gaza.

这就是发生在加沙的一切

What has happened to Optimus Prime?

擎天柱怎么了？

Let him tell you what has happened.

让他告诉你发生了什么事情。

You have seen what has happened there.

你们都知道电话业的情况了。

Almost no overlap. And what has happened?

几乎没有重叠。后来呢？

I will give you a sketch of what has happened.

我来给你简单描述一下所发生的事情。