How can we keep the Earth clean and healthy?回答

we must s______ the earth and keep it clean and beautiful how can we keep healthy?It's important to exercise___.The Ri 以How can we keep healthy 为题的英语作文 回答How do you healthy keep healthy? He wants to travel around the world and keep the earth clean Friends of the Earth help keep the environment clean.“ keep We promise to keep the Earth clean.(对划线部分提问)(划线的是keep the Ea let's stop__ to keep the earth beautiful and clean.pollute) how can people keep healthy是什么意思 If we keep our bodies healthy,and take exercise,we can think we can help you keep healthy对不对 【英语作文】hao can we keep healthy