A．Here you are.  | B．I am fine. |
| C．How much is it? | D．It's OK. |
A．I like milk.  | B．I'd like a bottle of milk. |
| C．How much is the milk? | D．What is that? |
| A．What's your name? | B．How are you? |
| C．Can I help you? | D．What's this? |
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