--- Help yourself to some fish.
---__________________.
| A．I haven't caught a fish yet. |
| B．Oh, it smells bad. |
| C．Thank you. But I'm full. |
| D．No, I can't. I'm too full. |
---_______.
--- I caught a cold.
| A．What's wrong with you? |
| B．Why do you study English? |
| C．What did you catch? |
| D．Where are you going? |
---________________
--- Yes, speaking.
| A．Dick! Nice to meet you. |
| B．Dick! How are you? |
| C．Hello! Is that Dick? |
| D．Hi! What are you doing? |
--- Can you find China on this map?
--- Yes. ___________It's here.
| A．China is a good country. |
| B．Let me see. |
| C．It's on the wall. |
| D．I have a new map of China. |
--- Hi, Mary.
--- Hi, Kate. Who's that?
-- ?
--- The one behind the door?
--- Oh, it's Jim.
A. What? B. Which one?