| A．Goodbye! | B．Good afternoon! | C．Good morning. |
| A．I’m Mike. | B．Hi, Mike. | C．This is Mike. |
| A．Good afternoon. | B．Nice to meet you. | C．OK! |
| A．Goodbye. | B．Good afternoon. | C．Good morning. |
| A．How are you? | B．What’s your name? |
| A．Good morning, Miss Green. | B．Dad, this is Sarah. |
| A．Good morning, Sarah. | B．Hi, this is Wu Yifan. |
| A．I have a dog. | B．I’m Sarah. |
| A．a | B．an | C．the |
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