... are you going? - To my sister's house
Where
...is she doing?
What
...is Rick exercising?
Where
...are they watching a movie? At home
Where
...are you listening? -An interesting podcast
What
... is reading a book? -Matilda
Who
...is he watching? -Stranger things
What
... are they cooking? - in the kitchen
Where
...are they cooking? -Chicken
What
... is making dinner? - My mum
Who