It's our d---- to protect our environment .No matter w---- w

It's our d____ to protect our environment .No matter w____ we live,we can do s_____to keep our neighorhood clean and tidy.We can c_____ waste things for r_____.We sould p_____ more trees.We mustn't ______in the steet.We mustni't pick the flowens or s_____ on the grass in public plsces. If e _____ makes a contribution to protect the environment,the world will become m____more beauftiful . And our life will be better and better.
有10空.的单词