howtokeepourcitycleanerandgreener十条,要理由格式：wearegoingto..then...
十条,要理由格式：
we are going to..
then...
first of all ,we are going to plating more and more tree and flowers
second ,we don't throw garbage here and there .
third ,we must reduce exhaust emission (我们应该减少尾气排放）
fourth .we can help to some valuable things !
fifth . keep our city is all of people responsible .
sixth ,we have to go by bus or by bicycle .
seventh .do our best to do something .
eighty ,we hope our city more and more beautiful in the future .
ninth .we must protect animals .
tenth hope everything goes well
thats all about how to keep our city more and more cleaner and greener . thanks !
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