| A．Yes, I am. | B．No, I’m not. |
| A．Are you Su Hai? | B．This is Su Hai. |
| A．Yes, I’m. | B．No, I not. | C．No, I’m not. |
C c E e D d F f | A．am | B．is | C．are |
| A．Hello, I’m Liu Tao. | B．Hello, I’m Su Hai. | C．Hello, Liu Tao. |
| A．Hello, Sam. | B．Good morning, Sam. | C．Hi, Sam. |
| A．Yes, I am. |
| B．No, I’m not. |
| C．Yes, I’m not. |
| A．Hello. | B．Good morning. | C．Goodbye. |
| A．Is; I’m not | B．Are; I am | C．Are; I’m not |
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