Repetitious. Those are synonyms, different words that have a similar or nearly identical meaning. Sullen and moody are adjectives that mean gloomy, morose, somber, resentful. Monotonous and repetitious are adjectives we use to signify that something is tedious, devoid of variations, dull.
Explanation:
was the only one present who had said nothing. For some time he had sat silent beside Bilbo's empty chair, and ignored all remarks and questions. He had enjoyed the joke, of course, even though he had been in the know.
Answer:
At the beginning Bilbo wanted utterly nothing to do with the Dwarves, Gandalf and the whole adventure. However, throughout the book, he gained respect from the Dwarves. His sheltered and comfort filled life was altered dramatically, bringing out character traits he didn't know he had.
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