火眼金睛孙悟空。 (____) 1. What’s this? A. Yes, it is. B. It is a cat. (____) 2. Is this a dog? A. Yes, it is. B. No, it isn’t. (____) 3. How many legs? A. Four. B. Two. (____) 4. What colour is the cow? A. White and black. B. White. (____) 5. Is he a teacher? A. Yes, he is. B. No, he isn’t.