他声称一整天都没遇到一个人。

He claimed not to have met a ___soul all day.

这个秘密非常重要，我不会告诉任何人。

This secret is so important that I won't tell a ___soul.

在那个偏远的村庄里，一个人也找不到。

In that remote village, there wasn't a single ___soul to be found.