Uzupełnij zdania jednym wyrazem w odpowiedniej formie.
1. What's is the best way to ___the environment?
2. Because it had been snowing heavily for the last couple of days there was an___ in the mountains. All the snow came down from the top.
3. Illegal___has to be stopped, no one has the right to kill animals without permission.
4. We___a lot of money for charity last month, it helped a lot of people.
5. During the storm there were thunders that we heard and___that we could see.
6. How many___of this crime were there? How many people lost their lives?
7. How big is Sahara___ ?
8. Those species are in danger of___which means there are very few of them in the world.
9. During the earthquake the Earth___ for two minutes.
10. I hate zoos because animals are kept___ in and they aren't free.