... Introduce the listening and ask Ss to guess what the dentist is like? -Play the tape the first time, and ask Ss to find the answer. Unit 10 : Health and hygiene. Lesson 5 : B2& B3. I. Objectives. ... procedure. 1. Organization: - Do exercise B 1 in the work book .( page 63 ) 3. New lesson: A. Warm up. Ask Ss to play the Hang man with the words relate to the tooth and toothache . ... Objectives. After the lesson Ss will be able to know more about the personal hygience, and practice asking and answering the questions about the tooth with the words: look after, give advice,...