I
Ⅱ
Are you Su Hai?
A. Good afternoon, Sam.
Goodbye, Mike.
B. No, I'm not. I'm Yang Ling.
Good afternoon, Bobby.
C. Hello, I'm Su Hai.
Hello, I'm Liu Tao.
D. Goodbye, Liu Tao.
A: 1 . 2 Yang Guang?
B: No, I'm 3 . 4 Wu Tong. Are you Liu Min?
A: Yes. You're 5 .
B: 6 , Liu Min.
A: Good morning, Wu Tong.