III. Em hãy dùng từ gợi ý đế viết hoàn chỉnh những câu sau. 1. my aunt / have / small garden / and / grow/ few flowers. 2. world / need/ more food / because / more people. 3. we / do / many/ bad things / environment. 4. when / not need / light/ you / switch / it. 5. there / much noise / many vehicles / city.