补全对话 A. Who is your math teacher? B. How are you? C. Why do you like it? D. Do you like your teacher? E. Can I ask you some questions? F. When is your birthday? G. What's your favorite subject? A: Hey, Mike! 1_____ B: I'm OK, thanks. And you? A: I'm fine, too. 2_____ B: Sure. You can ask anything you like. A: 3_____ B: My favorite subject is math. A: 4_____ B: Because it's very interesting. A: 5_____ B: My math teacher is Mr. Xu. A: Wow! He is a very great teacher!