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.

在他失踪后，许多人都在寻找他，最终他们找到了他！

After his ___disappearance, lots of people were looking for him and in the end they tracked him down!

这片古老森林的迅速消失是一个重大的环境问题。

The rapid ___disappearance of the ancient forest is a major environmental concern.