选词填空，补全对话。 A. fat B. a C. red D. this E. Hi A. fat B. a C. red D. this E. Hi A: Hello, Mary. B: 1.________, John. A: What's 2.________? B: It's a toy ( 玩具 ) panda. A: What's that? B: It's 3.________ dog. A: Oh, no. It's a 4.________ pig. B: Ah, yes. It's 5.________.
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