hãy dùng những từ gợi ý để 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/thing/environment
4.when/not need/light/you/switch/it
5.there/much noise/many vehicles/city