The dwarves are so worried that the elves will steal their treasure that they lie to the elves about their journey through Mirkwood. This develops the theme that blind greed will hurt you.
Because the dwarves are greedy so they lie because they want the treasure
Answer:
She thinks he has been rude and impertinent. She feels that he is trying to flirt with her.
Answer:
She doesn’t see the fire coming. She is probably frightened.
Explanation:
There is also irony, because she was called the girl on fire, and now she is actually on fire.