1)Who ate the last slice of pizza?
Who called me?
Who are you?
Who is your uncle?
Who cried?
2)Which is your phone?
Which is your house?
Which one do you like?The cat or the dog?
Which thunder was lauder?
Which pen is yours?
3)Where were you last night?
Where the accident took place?
Where is your mom?
Where are you?
Where is the supermarket?