补全对话 A: What are you unboxing, David? B: It’s my new smartphone. A: Wow, it sure looks great. B: . It has a high-quality camera, and it’s avideophone. The keyboard is easy to useand even a child can use it. A: Yeah, B: True enough. An I just love this screen.The colours are so real! And you can download tons of things onto it. A: B: Are you serious? I’m crazy about it! A but a child couldn’t afford the high price ,right? B Isn’t it wonderful? C You’re really into it, aren’t you? D But this one is cheaper than most other models. E It works great,too.