从方框中选择最佳选项完成对话,有两项多余。 A. what are you doing? B. This is Jack speaking. C. It's raining. D. How is it going? E. What's the weather like in your country? F. I am Jack. G. It's very cool in the water. A: Hello! May I speak to Jack, please? B: 1_____ Who's that? A: Hello, Jack. This is Ann. 2_____ B: I am reading a book. 3_____ A: Pretty good. The weather here is nice. It's not hot or cold. 4_____ B: It's very hot. I often go swimming with my parents. 5_____ A: That sounds good.