Who
Which
Where
When
What.
Why
Whose
Whose
What
When
_____ countries have you visited?.
____ working material do you need?.
___ did you run this morning?.
____ is the opening of the restaurant?.
____ won the World Cup in 2018?.
____ do you want for Christmas?.
____ is the weather warm in Ecuador in winter?.
____ shirt is lying around the living room?.
_____ phone is ringing?.
____ did you leave town?.