他问我是否知道什么好去处，但我一时什么也想不起来。

He asked if I knew any good places to go, but nothing ___sprang ___to ___mind.

当讨论竞争环境时，"适者生存"的概念就会浮现在脑海中。

When discussing competitive environments, the concept of "survival of the fittest" ___springs ___to ___mind.

如果我让你说出一位著名的发明家，你会立刻想到谁的名字？

If I asked you to name a famous inventor, whose name would ___spring ___to ___mind?