天渐渐黑了，我的想象力开始不受控制地奔涌。

It was getting dark and my imagination was starting to ___run ___wild.

她的想象力开始不受控制，满脑子都是秘密通道。

Her imagination began to ___run ___wild with thoughts of secret passages.

在创作这个奇幻世界时，作者让想象力自由驰骋。

The author let his imagination ___run ___wild when creating the fantasy world.