（一）
| A．Good afternoon, Mike. |
| B．He’s Liu Tao. He’s my friend. |
| C．Hi, Liu Tao. |
| D．Good afternoon, Wang Bing. |
E. Hi, Mike. 
（一）
| A．Good afternoon, Mike. |
| B．He’s Liu Tao. He’s my friend. |
| C．Hi, Liu Tao. |
| D．Good afternoon, Wang Bing. |
E. Hi, Mike.
试题篮
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