acknowledge

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.

我们尚未收到确认收到我们正式投诉的电子邮件。

We have not yet received an email to ___acknowledge our official complaint.

请尽快通过电子邮件确认收到我的申请。

Please ___acknowledge receipt of my application by email as soon as possible.