What do the people below have to or don039;t have to/needn039;t

What do the people below have to or don't have to/needn't do when going on holiday.
1. I HAVE TO pack my suitcase
2. Peter ............... study for school
3. Bob and Sally ............. turn all the lights off
4. We ............. wake up early
5. They ............ close the windows
6. My brother and I ............ water the plants
7. Sue ............. empty the fridge
8. You ............. lock all doors