Question

Use "Unless" instead of "If" and versa:

4. Unless he had drunk alcohol, he would have passed the contest.

-> If __________________________________________________

5. You'll lose your job if you don't change your attitude and become friendlier.

-> Unless ______________________________________________

6. These flowers will die if nobody waters them.

-> Unless _______________________________________________

Answer 1

he hadn't drunk alcohol, he would have passed the contest.

you change your attitude and become friendlier, you'll lose your job.

somebody waters these flowers, they will die.