2 задание! Помогите!! 15 баллов!!!

Ответ:

1. Unless we protect them, many animals will become extinct
2. You won't see polar bears in the wild unless you travel to the Arctic
3. Julia will not become a vet unless she studies harder
4. Our wildlife project will be a disaster unless we find good photographs
5. Unless Joe doesn't hand in his work tomorrow, he will be in trouble.
6. Unless Sam's parents give him permission, he won't go on the school trip