WILL – SHALL - WON'T

Complétez les blancs par WILL – SHALL - WON'T
1. I help you if you don't make an effort.
2. I help you? You seem to be having trouble.
3. I hope that you do your best to be there on time.
4. We decide when we have all the elements.
5. It's really hot in here, I open the window?