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ngs. 2. Do some warmingup exercises. 3. Review the numbers. Step Ⅱ . Presentation and practice(呈現(xiàn)新語言知識和練習(xí)) 1. Lead in. T: How old are you? S1: I’m eleven years old. T: You’ll be twelve years old next year. You’re growing up. 2. Show some photos and introduce t