Помогите срочно
Rewrite the sentences using unless.
1.If we don’t find another solution, we’ll have to act according to your plan.
2.If you don’t hurry up, you’ll be late.
3.If you don’t study hard, you will not pass your exam.
4.We will go to the park if it doesn’t rain.

Спасибо

1. We’ll have to act according to your plan unless we find another solution, 2. You’ll be late unless you hurry up, . 3. Unless you study hard, you will not pass your exam. 4.We will go to the park unless it rains.