A.Yang Ling. | B.Miss Li. |
A.Yang Ling. | B.Miss Li. |
A.Yang Ling. | B.Mike. |
A.Su Hai. | B.Mike. |
A.Hello! | B.Good morning. |
A.Good morning! | B.Good afternoon! |
A.b | B.d | C.g |
A.morning | B.afternoon | C.Hello |
A.Hi, Sam. | B.Hello, goodbye. | C.Yes. I’m Liu Tao. |
A.Good afternoon, Miss Li. | B.Good afternoon, Helen. |
A.Hello. | B.Good afternoon. |
A.Hello. | B.I'm Liu Tao. |