Lesson 2 Cats and Dogs一、连一连。 （将同类词连线）二、单项选择。( ) 1. Is it a cat? _ , it is.A. Yes B. No C. yes( ) 2. Is this a chicken? No, it _.A. duck B. is C. isnt( ) 3. Whats this ? _ duck.A. Its a B. Its an C. Its a 三、连词成句。1. is it a duck_.2. is it a chicken_?3. is it yes_.a cat yes chicken farmduck dogpark an no答案：一、二、1. A 2. C 3. C三、1. It is a duck 2. Is it a chicken 3. Yes, it isa cat yes chicken farmduck dogpark an no
