（ ）| A．—How are you?—I'm fine. | B．—How are you?—Woof! |
（ ）| A．—I'm Leilei.—I'm Haohao. | B．—Bye!—Goodbye! |
（ ）| A．Hi, I'm Amy. | B．Hello, I'm Lingling. |
（ ）| A．Hello, I'm Amy. | B．Goodbye, Daming! |
| A．Good morning | B．Hi | C．Good afternoon |
| A．Good morning | B．Hello | C．Good afternoon |
| A．Good afternoon, class. |
| B．Good morning, class. |
| C．Good morning, YangLing. |
| A．Hello. | B．Hi, Su Hai. | C．Hello, Su Hai. |
| A．Hello, Mike. | B．Good morning. | C．Hello, Yang Ling. |
| A．Good morning, Miss Wang. |
| B．Good morning, class. |
| C．Good afternoon, class. |
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