A.How are you? | B.Hi | C.Bye-bye |
A.good | B.Hello | C.Goodbye |
A.afternoon | B.morning | C.bye |
A.Good afternoon | B.Good morning |
A.Tweet, tweet | B.Woof, woof |
A.I'm Peter. | B.Hi, Lucy. |
A.Bye-bye, Lingling. | B.Fine, thank you. |
A.Hi, I'm Wang Yong. | B.Good morning. |
A.Hello, Amy. | B.Hello, I'm Amy. |