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sofa?S2: No, they aren39。t. They are in the bookcase. S1: Where are the pencils? S2: I don’t know. Are they in the pencil box?S1: Yes, they are.(Let the students ask and answer according to the picture in 3b or using their own things.)Ⅵ. Game (Find the differences)T: Student A looks at the picture on P19, student B looks at the picture on P21, 3c. Ask and answer questions to find the differences in pairs.Sample:SA: Where is the schoolbag? Is it under the table?SB: No, it isn’t. It’s on the table. SA: Where are the books? Are they on the sofa? SB: No, they aren’t. They are on the bed.…...T: Let’s find out the differences between the pictures. Where is the schoolbag? Is it on the table? (Look at the picture on P21 3c)Ss: No, it isn’t. It’s under the table. (Look at Picture 2) T: Where are the books? Are they behind the sofa? (Look at the picture on P19)Ss: No, they aren39。t. They are on the sofa. (Look at Picture 2)(Ask some pairs to make conversations and find out some differences.)T: Fill in the chart accor