... you should use banana leaves to wrap food. - Ss: Why? - T : Because plastic bags are very hard to dissolve, they will cause pollution. 2. While- speaking : (P. 49) 3. Post- speaking : • Pre- teach ... explanation + picture + translation + translation + translation - T models , Ss repeat . - T does concept check. *Checking vocabulary: R. O. R. - T reads the text, Ss listen and repeat. - Ss practice ... environment Lesson 2: Speaking Date: Jan.19th, 06 A. Objectives: - By the end of the lesson, Ss will be able to persuade their friends to protect the environment. I. Knowledge: - Practice speaking (to...