我们如何保持城市清洁（6条）要用英语2分钟之内要

我们如何保持城市清洁（6条）要用英语2分钟之内要
我们如何保持城市清洁（6条）要用英语
2分钟之内要

我们如何保持城市清洁（6条）要用英语2分钟之内要
keep the river clean
you should throw the garbage into the trash bin.
you shouldn't throw the gabage on the ground.
don't little on the ground.
don't spit on the pavement.
don't smoke in the public.

Keep house cleanning
keep stree cleanning
keep public cleanning

how can we keep the city tidy(6 items)

keep public cleanning
plant more trees
decrease the cars
don't throw the waste paper in the street
put the rubish away
don't smoke

planting trees
cleaning sreets
decrease the cars
put the rubish away

keep public cleanning