We live on the Earth．The Earth was {#blank#}1{#/blank#} ，but now some parts are dirty．Let's work together to keep the Earth pretty and healthy because the Earth is only home for all the living things．We should {#blank#}2{#/blank#}．We should {#blank#}3{#/blank#}．We also need water and trees．So we shouldn't  {#blank#}4{#/blank#}．We should stop  {#blank#}5{#/blank#}．

写作要点：1.介绍喜欢的机器人的功能；

2.谈谈对未来机器人发展的看法；

3.总结自己的感受和收获。

写作要求：1.不能出现真实的人名和地名；

2. 不少于50词。