C

1.You 'll fall if you won't get careful.

2.Unless we leave the house right now, we want there for the start ofthe film.

3.I'll email you the photos if you want.

4.I won't call you at the weekend- unless you aren't me to.

D

2.Unless you come and eat your pizza right now, it' ll not be any left.

3.If you you are tired, I'll do the washing-up.

4.Unless you slow down, you'll crash the car.

5.If I buy you a new bike, it'll pass all your exams.