| A．Where’s Liu Tao? | B．Is Liu Tao there? | C．Liu Tao is here. |
| A．Not so good. | B．I’m sorry to hear that. | C．Thank you. |
| A．How are you? | B．I’m fine, thank you. | C．How about you? |
| A．This is Nancy speaking. | B．May I speak to Nancy? | C．Where’s Nancy? |
| A．How are you? | B．Not so good. | C．I’m sorry to hear that. |
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