| A．Good morning. | B．Good afternoon. | C．Good evening. |
| A．Hello, bird. What's your name? |
| B．What' you name? |
| C．Hello, panda. What's your name? |
| A．How are you? | B．My name is Jack. | C．What's your name? |
| A．Hello | B．Goodbye | C．good morning |
| A．Goodbye. | B．Good morning. | C．I'm Linda. |
| A．Goodbye. | B．Hello, my name is Sam. | C．I'm fine. |
| A．morning | B．afternoon | C．bye |
| A．Good morning, Ms Li. | B．Goodbye, Ms Li. |
| A．Hello, Amy. | B．My name is Jack. | C．Goodbye, Amy. |
| A．How are you? | B．I'm fine, thank you. |
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