Придумайте правильное предложение с этими словочетаними homeless people , protection of the enviroment , further development of the counry,real freshness of the air , to see clearly на анлийском языке

Unfortunately, I often see homeless people.
We should think about protection of the environment.
Our president cares about the further development of the country.
You can feel a real freshness air in the forest.
When you wash your eyes, you can clearly see.