What's the correct question word?

1 .
A : ____________________ is your name ?
B : Mario .
2 .
A : ____________________ color is your pen ?
B : Red .
3 .
A : ____________________ is your teacher ?
B : Mr . Smith .
4 .
A : ____________________ is your pencil ?
B : It's on the desk .
5 .
A : ____________________ are you happy ?
B : It's Friday .
6 .
A : ____________________ is your birthday ?
B : It's next Saturday .
7 .
A : ____________________ are you ?
B : I'm fine , thanks .