Salut j'ai besoin d'aide pour un devoir d'Anglais, merci de m'aider =)

Il faut souligner les mots ou expressions interrogatifs dans les questions ci-dessous. ( Comme vous ne pouvez pas souligner les mots sur le site, mettez juste le numéro de la phrase, et les mots que je dois souligner. )

1. How much do you spend on sweets, chewing gum ?
2. Do you ever go to fast food restaurant ?
3. Do you ever come to school on an empty stomach ?
4. How many times a day do you brush your teeth ?
5. Do you often eat snacks while you are watching television ?
6. How much time do you spend watching television ?
7. Do you ever feel tired ?
8. Do you ever have nightmares ?
9. How much sleep do you get on schooldays ?
10. How long does it take you to fall asleep ?
11. What time do you go to bed on weekdays ?
12. Do you practise any sports outside school ?