| A．Good afternoon, Li Ming. | B．Good morning, Li Ming. | C．Good afternoon, I’m Li Ming. |
| A．Good morning, Su Hai. | B．Good afternoon, class! | C．Good morning, class! |
( )| A．—Good morning, Bobby. —Good morning, Sam. |
| B．—Hi, I'm Bobby. —Hi, I’m Su Yang. |
( )| A．—Hi, I’m Su Hai. —Hi, I’m Liu Tao. |
| B．—Hi, I’m Liu Tao. —Hi, I’m Mike. |
| A．Good morning, Miss Li. |
| B．Good afternoon, Miss Li. |
| C．Good morning, class. |
| A．Nice to meet you, Wang Bing. |
| B．Good morning, Wang Bing. |
| C．Good afternoon, Wang Bing. |
| A．Hello, I’m Sam. | B．Hello, Sam. | C．Hello. |
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