| A．I’m fine . | B．Good morning . | C．Bye-bye . |
| A．Goodbye, Lingling. | B．Good morning, Lingling. |
( )| A．Goodbye, Linlin. | B．Hello, Linlin. |
( )| A．Hi, Dongdong. | B．Hello, Pengpeng. |
| A．Hello, I'm Daming. | B．Hello, Daming. | C．Thank you, Daming. |
| A．Goodbye. |
| B．How are you? |
| C．Hello! |
| D．Fine, thank you. |
| E．Good morning. |
| A．Li Tingting | B．Li tingting | C．Li TingTing |
| A．I' m Yangyang. | B．Hi. | C．Goodbye. |
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