Choose the correct options

1. You won't get the ice-cream
   [if|as soon as|when|unless] you eat all of your lunch.
2. You should go to the doctor
   [if|unless|as soon as|while] your ankle aches.
3. My dad falls asleep
   [if|unless|as soon as|till] his head touches the pillow.
4. The question is really difficult. Don't answer it
   [if|unless|while|as soon as] you are 100% sure.
5. Let me know
   [unless|while|as soon as|if] you get the exam results.
6. [If|While|As soon as|As] you don't want to do it, take another task.
7. They can stay at our place
   [if|as soon as|when|unless] you have some other ideas.