... Unit 1 My friends Lesson 3 : Listen A/ Aims and Objectives : By the end of the lesson , Ss will be able to complete the dialogue by listening B / Teaching aids : Textbooks , ... Teaching aids : Textbooks , cassette , chalks , boards C / Procedure : I / Warm up : Chatting II / Pre- listening: - Ask Ss to look at the expressions in the box and make sure they ... dialogues . IV/ Post - Listening : - Call on some Ss to play roles of Nam – Hoa – Thu / Khai – Mrs Lien – Mrs Vi / Ba – Bao – Grandmother / Mr Lam – Mrs Linh – Mr Thanh and practice the dialogues...