| A．No. May I see that one, please? |
| B．How much is this postcard? |
| C．Yes, I want to buy some postcards. |
| D．Can I help you? |
| A．I don’t like it. May I see that postcard, please? |
| B．How much is this postcard? |
| C．Yes, I want to buy some postcards. |
| D．Can I help you? |
| E．Sure. |
| F．It’s two yuan. |
| G．I’ll take six, please. |
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