... Unit 6: After school. Lesson 4: B1. I. Objectives: - Further practice using some structures to make an invitation, to take and refuse the invitation. - After the lesson, Ss ... Preparation: - Merterial: Textbook, sub-board. - Equipments: cassette and tape. III. Teaching procedure: 1. Organization: 2. Oral test: - Homework correction. 3. New lesson: A. Warm- up: ... correction. 3. New lesson: A. Warm- up: - Introduce the lesson. B. Presentation: - Do the Ex in workbook. - Prepare the next lesson. (B2) - Ss compare their answers with their partners....