| A．you | B．your | C．I |
| A．How are you? |
| B．I’m fine, thank you. |
| A．Sit down, please. | B．I’m Amy. | C．Thanks. |
| A．Good morning. | B．Good afternoon. |
| A．Good morning, Mr Liu. | B．Good afternoon, Ms Liu. | C．Good afternoon, Mr Liu. |
| A．How are you? | B．What’s your name? | C．Hello! |
| A．I'm fine, too. | B．I'm fine. | C．How are you? |
| A．Good morning, boys. | B．Good morning, girls. | C．Good morning, boys and girls. |
| A．I’m fine. | B．Hi, Mr Li. | C．I’m Sam. |
| A. Good afternoon. B. I’m Sam. C. Hello, Sam. D. Bye-bye! E. Good morning. |
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