等我到家时，剩菜都被吃光了。

By the time I got home, the leftovers were all ___gone.

我找我的钥匙，但它们已经不见了。

I looked for my keys, but they had ___gone.

好好睡了一觉后，我的头痛终于消失了。

My headache finally ___went after a good night's sleep.