| A．Are you Su Hai? | B．This is Su Hai. |
| A．Yes, I’m. | B．No, I not. | C．No, I’m not. |
| A．Hello, I’m Liu Tao. | B．Hello, I’m Su Hai. | C．Hello, Liu Tao. |
( )| A．—Are you Liu Tao? —No, I’m not. | B．—Are you Liu Tao? —Yes, I am. |
| A．Hello, Li Lei. | B．I’m Li Lei. | C．Good morning, Li Lei. |
| A．Hello, Yang Ling. | B．Hi, I’m Yang Ling | C．Hi. Are you Yang Ling? |
| A．No, I’m not. I’m Wang Bing. | B．Hello, Liu Tao. | C．Good morning. |
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