Liu Tao: Good1 . 2 Yang Ling.
Su Hai: Good afternoon, Yang Ling. My 3 is Su Hai.
Liu Tao: 4 , Su Hai.
Su Hai: Hi, Liu Tao. Come and meet my 5 friend Yang Ling.
Liu Tao: Hello, Yang Ling. I'm Liu Tao.
Yang Ling: Hello , Liu Tao.
Liu Tao: Nice to 6 you.
Su Hai: Nice to meet you 7 .
A: Good morning. I'm Liu Tao. What's your name?
B: Good morning. My name is Mike.
A: Nice to meet you, Mike.
B: Nice to meet you too.
C: Hello! Boys and girls! It's time for class.(该上课了。)
A&B: OK! Mr Green.