1、We want to hold a green Olympic Games ,so everyone should do something useful to protect the environment ,whether it is big or small.我们要举办一个绿色奥运，每个人都应该做些无论是大或小的有用的事来保护环境。

2、We should do something to stop people from doing bad things to the environment .We should put rubbish into dustbins instead of throwing it about. Everyone must care for flowers ,grass and tress in public .We shound collect things like paper ,plastic bags our neighborhood as well ,it’s necessary to plant more trees every year .我们应该做些什么来阻止人们对环境做一些不好的事情。我们应该把垃圾放进垃圾箱而不是直接扔了，每个人都必须爱护公共场所的花，草，树木。我们应该收集社区的一些像纸，塑料袋的东西，每年种植更多的树是必要的。　　

3、It is everyone’s duty to make our neighborhood much better with our hands minds .Let’s make a contribution to protecting the environment and the Plympic Games successfully.　　用我们的双手和头脑使我们的社区变得更好是我们每一个人的职责。让我们为保护环境做贡献，祝奥运会成功。