1. Who does eat sweets...
2. Will he go to the country...
3. What we were done?
4. Since when haven't I seen Peter?
5. They are planning to have a holiday soon, aren't they?
6. What did she make last week?
7. Was everybody waiting at the door...?
8. How many books had he read by the end of the year?
9. By whom is he followed?
10. Why couldn't he help his friend?
Do
Are
Does
Is
Do
Are