【课时同步】2018-2019学年外研版高中英语必修3课件:Module 4 Period 3 Grammar 语法专题课 情境互动课型
【课时同步】2018-2019学年外研版高中英语必修3课件:Module 4 Period 3 Grammar 语法专题课 情境互动课型第4页

4. There was nothing to be done. 5. Sandstorms in China appear to have increased in recent years as a result of “desertification”. 6. To be cycling in a sandstorm is frightening. 7. To prevent it coming nearer, the government is planting trees.