disappearance

这件古代文物的消失仍然是个谜。

The ___disappearance of the ancient artifact remains a mystery.

他失踪后，许多人搜寻了多日。

Many people searched for days after his sudden ___disappearance.

一名男子因与她的失踪有关而受到审问。

A man was being questioned in connection with her ___disappearance.