零五网 › 全部参考答案› 亮点给力提优课时作业本答案 › 亮点给力提优课时作业本六年级英语译林版 › 第42页

第42页

信息发布者：

 I want to plant some trees/collect some rubbish/clean the walls ...

Project

protect

wall

space

Plan

watering

Pick

how

clean

plants

（更多请点击查看作业精灵详解）

A good environment in the city can make people feel happy and live better. But sometimes rubbish makes the city messy and dirty. To keep our city clean, we shouldn’t litter. We should put rubbish in the bin. We can take the bus or walk to school. We can plant more trees, because they help keep the air clean.

Come on! Let’s do something to keep our city clean and beautiful.