đặt mỗi câu có từ campsite , hyperloop , system , pollute , environment , fume , save , eco-friendly

1. Have you ever stayed at a campsite before? 2. Do you think the hyperloop system will revolutionize transportation? 3. How can we improve our current system to reduce pollution? 4. What steps can we take to protect the environment? 5. Have you ever been exposed to harmful fumes in your workplace? 6. What are some ways we can save energy in our homes? 7. Do you try to use eco-friendly products in your daily life? 8. How can we reduce the amount of plastic waste in our environment? 9. Have you participated in a polluting activity before? 10. What are some benefits of using renewable energy sources for the environment?