Unit 5 Happy Birthday! 1. Warm-up a. Greetings b. Sing a song c.Read the numbers. d. Guess the numbers. e. Guess and fill in the blanks. 2. Lead-in a. Look at the picture and count the items. b. Ss read the words c.Chant d. Present pictures and lead in Xi Yangyangs birthday. 3. Presentation a. Listen to the dialogue between Tony and Baymax.