| A．Hello, Mr Wang! | B．Good morning, Mr Wang! | C．Goodbye, Mr Wang! |
| A．b | B．d | C．g |
| A．Good morning | B．Good evening | C．Good afternoon |
| A．Good morning, teacher. | B．Goodbye, Miss White. | C．Hello, Miss White. |
| A．Goodbye. | B．Good evening. | C．Hello. |
| A．Bye! | B．I’m Bai Ling. | C．Hello. |
| A．I'm John. | B．Goodbye. | C．Hello! |
| A．Hi! | B．Goodbye! |
| A．Good morning. | B．Hello. | C．Good afternoon. |
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