| A．to | B．a | C．an |
| A．I like it. | B．Me, too. |
| A．Nice to meet you, too. | B．Fine, thank you. |
| A．Good morning, John. | B．Hello, John. |
| A．Good morning. | B．Good afternoon. |
| A．Goodbye! | B．Good morning. |
| A．Nice to meet you, too. | B．Sure. |
| A．Mum, this is Wu Yifan. | B．Hi, I’m Wu Yifan. |
| A．Act like a tiger. | B．Colour it orange! |
| A．I’m Mike. | B．This is Mike. |
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