旧物循环
旧物循环可以让闲置物品实现循环再生、价值延续，体现了节约、环保的生活智慧。在日常生活中，你是怎样进行旧物循环的呢？请对家里的一件旧物进行改造，并用英语描述一下改造过程吧！

Step 1: Find an empty clean plastic bottle at home.
Step 2: Cut the bottle into two parts with the help of parents.
Step 3: Keep the lower part of the bottle, wipe it dry.
Step 4: Draw nice little patterns on the bottle, or stick cute stickers on it.
Step 5: Put your pencils, crayons and pens into it. Now we get a beautiful pen holder!

本题为开放性实践写作题，要求结合旧物循环的环保主题，用简单的英语分步描述旧物改造的过程，我们可以选择生活中常见的闲置空塑料瓶，将其改造为实用笔筒，选用三年级已掌握的简单词汇和短句进行表述，贴合学习难度，同时体现节约环保的理念。