单词拼写:根据句意和所给首字母提示完成句中所缺单词。 1. The chemical factory p__________ terrible gas every day. 2. If you b__________ some fresh air, you will feel better. 3. Don't d__________ me now. I'm doing my homework. 4. As we know, n___________ of us likes pollution. 5. You shouldn't throw r___________ here and there. 6. We should do everything we can to protect the e___________. 7. Everyone is s__________ to do something useful. 8. Trees can p__________ the sand from moving towards the rich land. 9. You'd better take a taxi i__________ of walking there. Because it's a long way. 10. We really need to collect w__________ paper and soft drink cans.