whoever

无论谁最后离开，请锁门好吗？

Can ___whoever leaves last please lock up?

无论谁打破了窗户，都得为此付款。

___Whoever broke the window will have to pay for it.

无论你问谁，都很可能得到相同的答案。

You're likely to get the same answer, ___whoever you ask.