| A．Goodbye! | B．I’m fine. Thank you. |
| A．Goodbye | B．Hello | C．I’m Bobby. |
| A．Good afternoon, Yang Ling. |
| B．Good morning, class. |
| C．Good afternoon, class. |
| A．What’s your name? |
| B．Nice to meet you. |
| C．How are you? |
| A．Good afternoon, Mike. |
| B．Good morning, Miss Li. |
| C．Hello, Mike. |
| A．Hello. | B．I'm Liu Tao. |
| A．I'm Miss Li | B．Liu Tao |
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