The teachers group students into two groups, group 1, say hello and teachers said goodbye to the Group 2 say hello teacher at afternoon and say goodbye. Students swap dialogue
Teachers group students into two groups, one teacher said hello in the morning and said goodbye to the two groups, say hello and say goodbye to students, teachers afternoon alternating monologues.
The teacher group is 2 student group that 1 say hello and goodbye teacher morning group 2 พูดทักทาย teacher afternoon and say goodbye, students switch script.