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二、 Key Concepts Demonstrate: 1. The teacher shows a box of a toy to the students and tell them that it’s a gift from Santa . 2. The teacher stand in front of a volunteer and says “Santa brings gift for you .”with the gesture .”I give you the open it ” 3. When the volunteer open the gift .The teacher asks “What is it ?”The volunteer answers “It’s a teddy bear .”The teacher re