Question

write five lines on how school keep clean

Answer 1

don't throw papers. 
you should give water to the plants.
you should not throw garbage.
and many more.........

Answer 2

1.it should be ur duty not to throw garbage.
2when u sharp ur pencil throw the sust in dustbin.
3.u sbould not pluck the saplings and flowers.
4.advising others can be helpful.
5.don't tear the pages of any book or notebook.