- Are the students understood?
- Are the youngsters took to the streets to protest?
- Is she relaxed after that executing travel?
- Is he reads a book about computer?
- Are his creative ideas became a hit?
1. Did the students understand?
2. Did youngsters take to the streets to protest?
3. Did she relax after that executing travel?
4. Does he read a book about computers?
5. Does his criative ideas became a het?
 +- isso :D