清洁用品与动作词汇 — 英语填空题

大扫除啦！从方框中选词填空，每词只用一次。词库：clean, sweep, mop, tidy（中文提示：clean 擦净，sweep 扫，mop 拖，tidy 整理）1. There are many paper bits on the floor. Let's ___ the floor. 2. There is some water on the floor. Let's ___ it. 3. The books are everywhere. Let's ___ the bookshelf. 4. The window is dirty. Let's ___ it.