该公司最终承认存在严重的安全漏洞。

The company finally ___acknowledged that there was a serious security breach.

我们必须承认在当今世界持续学习的重要性。

We must ___acknowledge the importance of continuous learning in today's world.

即便证据确凿，她也拒绝承认自己的错误。

She refused to ___acknowledge her mistake, even with clear evidence.