V. Hãy dung các từ gợi ý sau để viết thành câu hoàn chỉnh.
1. My grandfather / grow / flowers / his garden.
2. There / too many vehicles / too much noise / Ha Noi City.
3. Don’t/any empty cans/ Street.
4. What/we do/save/our Earth?
5. Which/floor/your class?