| A. Look at the blackboard. B. What color? C. Would you like a hot dog? D. What's this? E. I'm sorry. |
I have a cousin. He is only four years old. Today I go to a library with him. He doesn't know the signs. I tell him about the signs. This sign means "Be quiet". We should not shout in the library. That sign means "No eating or drinking". We can't eat or drink here. My cousin knows a lot about the signs in the signs in the library after I tell him.
1．My cousin is five years old.
| A．Open the window, please. |
| B．Yes, Mr Green |
| C．Close the window, please. |
| A．What’s this? | B．What’s that? |
| A．Thank you. | B．Yes, please. | C．No, thanks. | D．Yes, thanks. |
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