Unit 3,Is this your pencil,Introduce,A：Is it a toy? B: No, it isnt. A:Is it a pencil? B: No, it isnt. A:Is it a pen? B:Yes, it is. Its a pen,Is it No, it isnt. Is it Yes, it is,Words,Where /we(r),副词，意为“哪里，在哪里,小练习：（ ）_ is my book? Its over there,A.Where B.What,A,eg： Where is my pencil? 我的铅笔在哪里,Expressions,lunch box,名词，意为“午餐盒”。复数：lunch boxes,小练习：根据图片选单词。_ A.pencil case B.lunch box,B,eg： This is my lunch box. 这是我的午餐盒,Expressions,over there,副词，意为“那里，在那里,小练习：（ ）Where is Daming? He is _
