... doing sth Ex: If we put the garbage bins around the school yard, it can prevent lazy students from throwing trash Unit : The environment Period 38 : Lesson 2: Speak + Listen 3, Speak Some expressions ... protect the environment Unit : The environment Period 38 : Lesson 2: Speak + Listen 3, Speak Some expressions help you to a, Try to persuade your parner to persuade somebody to something the following ... pollutants into the air 10 Time How can we reduce the amount of garbage we produce ? Try to reuse and recycle things 10 Time Unit : The environment Period 38 : Lesson 2: Speak + Listen 3, Speak Some...