1. whose book is this? "It's mine".
2.what is your favourite car?
3.whose trousers are these?
4. what is your nationality?
5.which nationality are you, English or Irish?
6.what kind of music do you prefer?
7.how fast is your car?
8. which There's tea and coffee, would you like?
9.how 'old is he?
10. which shirt are you going to wear, the brown or the black?