Choose the correct options

1. You won't pass the Math exam
   [if|as soon as|when|unless] you start getting ready to it right now.
2. You'd better stay at home
   [if|unless|as soon as|while] you feel sick.
3. Jane prefers to do her homework
   [if|unless|as soon as|till] she gets back from school.
4. It's raining outside. Don't go out
   [if|unless|while|as soon as] you take your umbrella.
5. Call me
   [unless|while|as soon as|if] you get to the place.
6. [If|While|As soon as|As] you feel tired, go to bed right now.
7. We can stay at home
   [if|as soon as|when|unless] you want to go out somewhere.