朗读短文,选择合适句子,补全对话。 A. My name is Jenny. B. Fine, thank you! C. How are you? D. this is Steven A: Jenny, 1_____________. He is a new boy in school. B: Hello, Steven! 2_____________ C: Fine, thanks. How are you? B: 3_____________ C: My name is Steven. What's your name? B: 4_____________