--- Did you see Mr. Green?
--- Sorry?
---______________________?
| A．Are you Mr. Green? |
| B．Thanks all the same. |
| C．That's all right. |
| D．Did you see Mr. Green? |
---Whose coats is this?
--- Is it a black one?
---Yes, it is.
---________________.
-- Here you are.
---Thank you very much.
| A．I think it's mine. |
| B．I think it's yours. |
| C．I think it's his. |
| D．I think it's hers. |
--- 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? |