Решение:
Заполняем пропуски, используя Future Simple (will + глагол) или Future Simple Negative (will not/won't + глагол).
- Elephants will be in danger.
- There will be any elephants.
- Icebergs will melt in the summer.
- There will be any ice in our oceans.
- People will cut down the rainforests.
- Rainforests will not exist.
- Rivers will be more polluted and all the fish will be dead.
- The Earth's climate will get hotter.
- Many plants and animals will die out.
- Scientists will not be able to solve the problem of global warming alone.
- We will destroy the environment.
Ответ: will be, will be, will melt, will be, will cut down, will not exist, will be, will be, will get, will die out, will not be, will destroy.