A.你好! | B.你好吗? |
A.Good afternoon, Su Hai. | B.Good morning, class. | C.Good afternoon, class. |
A.Hello. | B.Hi,Su Hai. | C.Goodbye. |
A.Good morning | B.Good afternoon | C.Yes. |
A.I’m Liu Tao. | B.Hello, Liu Tao. | C.Hi, class. |
A.Good morning. | B.Good afternoon. |
C.Good evening. | D.Good night. |
A.Hi, Sam. | B.Hello, I’m Sam. |