以下是一些使用"ago"的例句：
She became a widow a year ago.
They were supposed to be here an hour ago。
I met George well over a year ago。
They talked about their life in Beijing twenty years ago。
Jim sent his request to Head Office some weeks ago, but they are still holding out on him。
這些句子展示了"ago"在不同情境下的用法，從描述個人狀態到敘述過去的事件都有涉及。