所有这些想法都在我的脑海里闪过。

All these thoughts were going through my ___head.

是什么让你有那个想法的？

What put that idea into your ___head?

因为我从未去过那里，所以我在脑海里想象所有的地方。

Since I have never been there, I imagine all the places in my ___head.