Complete each question with a suitable question word

IX. Complete each question with a suitable question word.
1. - __________ days a week do you go to class?
    - I go to class five days a week.
2. - __________ did you watch on TV last night?
    - I watched The Fox Teacher.
3. - __________ do you like the Wildlife programme?
    - Because I love animals.
4. - __________ is your favourite person on TV?
    - I like Minh Phong in The Gift of Music.
5. - __________  hours a day do you watch TV?
    - About half an hour a day. I watch more at the weekend.