A. —Hello, Su Hai. —Hello. But I'm not Su Hai. I'm Su Yang.
B. —Hi. Are you Liu Tao? —Yes, I am. Thank you.
C. —Are you Liu Jiajia? —No. I'm Yang Ling. Ha! Ha!
D. —Are you Su Hai? —Yes, I am.
E. —Hello, Mike! —Are you Yang Ling? —Yes. You' re right.
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.