(1) | (2) |
(3) | (4) |
A.I’m fine. | B.Goodbye! |
A.I'm good. | B.I'm fine. |
A.How are you? | B.Hello to you. |
A.I'm Baobao. | B.Hi, Baobao. |
A.Goodbye! | B.Hello! |
A.Good morning. |
B.How are you? |
C.Nice to meet you . |
D.Good afternoon. |
A.Great! | B.Guess. | C.Goodbye. | D.Thank you. |