判断对错，对的画“√”，错的画“×”。
( )1. Sarah: How are you?
Bai Ling: Fine, thank you!
( )2. Li Ping: How old are you?
Wu Yifan: I'm nine.
( )3. John: Thank you !
Mike: You're welcome.
( )4. Chen Jie: May I have a look?
Bai Ling: Look!
( )5. John: What's your name?
Bai Ling: My name is Bai Ling.
( )6. Tom: Let's go to school, OK?
Sarah: Great!
