We all know we have only one earth to live o__.It's our duty to p___ it.Everyone should do help

things for her.For e__,we must stop polluting the river and the lake.We should plant many trees and g___ to make our environment nice and clear.We plant trees to stop the the wind and the sand b___ towards the farmland. We should plant flowers to m___ our environment around us more beantiful. Please r___ we have one earth. We have one earth. We should protect her.She is our friend

on

protect

example

grass

blowing

make

remember
希望能帮到你。

on protect example grass blowing make remember

你好！ on protect example grass blowing make remember 仅代表个人观点，不喜勿喷，谢谢。