用you should或you shouldn't开头的关于保护环境的英语句子各5句

You shouldn't spit everywhere.你不应该随地吐痰.
You shouldn't cut down trees.你不应该砍伐树木.
You shouldn't litter around.你不应该随地扔垃圾.
You shouldn't walk on the grass.你不应该践踏草地.
You shouldn't draw on the wall .你不应该在墙上乱途乱画.
You should protect our plant.你应该爱护植物.
You should save the water.你应该节约用水.
You should plant trees.你应该多植树.
You should throw rubbish into the garbage.你应该把垃圾扔进垃圾箱.
You should save paper.你应该节约纸张.