Put the following sentences in the order of Beginning, Build-up, Climax, and Ending. Air pollution is a serious problem. Cars and buses that run on gas make the air dirty, which 1. Leo and Mia found a locked box and opened it with the golden key. harms people’s health. To solve this, some countries use biofuel made from waste. In London, coffee waste is turned into biofuel for buses. Here’s how it works: 2. Leo saw a small path and followed it to a dark cave. 3. Leo and Mia gave the treasure to the village elder to help the people. 4. Leo found a golden key behind a stone door.

臺中市市立光明國中・113學年 第一學期 八年級 段考 英語・第 39 題・由 Siao 提供