课件14张PPT。M4 writing
Protect the environment Environment
problemsSandstormWater pollutionNoise pollutionAir pollutionLand pollutionHow do we improve the environment?
Use these structures: We need (plant more trees).
We must (plant more trees).
We should (plant more trees).
We had better(plant more trees).Work in groupsBrainstorming Measures Brainstorming Measures