A:
Wu Binbin: Hi, mum. This is Mike.
Mike: Nice to meet you.
Mom: Nice to meet you, too.
B:
Wu Binbin: Goodbye.
Chen Jie & Sarah: Bye.
C:
Teacher: Hello, welcome to our class.
Students: Thank you.
D:
Clown: Hello! Look at me.
This is my nose.
E:
Joha: How are you, Sarah?
Sarah: I'm fine, thank you.
