Ответ:
Задание №3.
1. Because there are no snow.
2. Because there isn't any big hills.
3. Because they've got no legs.
4. Because there's no oxygen.
5. Because they don't use any petrol.
6. Because they've got no teeth.
Объяснение:
"Any" - когда есть частица "not" (возможна сокращённая частица), а "no" когда её нет.
Как-то так)