Выберите правильный вариант ответа

1. It's ... to breathe polluted air. 2. Let's go for a walk and get some ... air! 3.The sky is ... . I think it's going to rain. 4.The sea is ... in winter so we can't go swimming. 5. It was a ... day. All the apples blew off the tree. 6. I love ... summer nights when you don't need to wear a jacket. 7. Be careful driving. In ... weather, you can't see very far. 8. On ... days, I have to wear sunglasses so I can see.