Learn what "who or what" means, when people say it, and how to use it naturally in English.

It expresses shock and distress while asking who or what might have caused the disappearance.
From The Haunted Sisters, Episode 18
A parent is asking for help because they are trying to understand what happened to their child.
Use this only in highly emotional situations, usually when someone is trying to make sense of a serious event. It sounds dramatic and is not a general everyday expression.
Scenes unlock real expressions as you watch
Tap to translate or use dual subtitles
Practice immediately with AI Characters
Reinforce with quick quizzes and repetition
Build speaking confidence with drama-based context, instant explanations, and AI-powered practice tailored to real conversations.
Start learning