| A．I’m | B．this | C．I |
| A．Good evening, Mum. | B．Good morning, Wang Bing. | C．Good afternoon. |
| A．Good morning, class. | B．Good morning, Mike. | C．Good morning, Miss Li. |
| A．Hello, are you Su Hai? | B．Hello, Su Hai. | C．Yes, I’m Su Hai. |
| A．Yes, I am. | B．No, I am. | C．Yes, I am not. |
| A．Hello, Mike. | B．I’m Mike. | C．I’m Liu Tao. |
| A．I’m Mike. | B．Good morning, Mike. | C．Are you Mike? |
| A．Are you Liu Tao? | B．No, I’m not. | C．Yes, I am. |
| A．no | B．Hi | C．not |
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