| A．Mary, this is my mum. | B．Mum, this is Mary. |
| A．Show me your blue pencil box. | B．Show me your black pencil box. |
| A．Good morning. | B．Good afternoon. |
| A．Fine, thank you. | B．Hello! | C．Nice to meet you, too! |
| A．Nice to meet you, Mike. | B．Hi! My name is Mike. | C．Hi! This is Mike. |
| A．black and brown | B．black and white | C．brown and white |
| A．red and brown | B．nice | C．great |
| A．Bye | B．Goodbye | C．Good afternoon |
| A．OK | B．It’s black |
| A．Mum, I’m hungry. | B．Mum, this is Mike. |
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