This passage has a melancholic mood. You can tell this due to some specific key words: "dull", "dark", "soundless." They all have a negative connotation. The imagery of a lone rider in a dreary and dull country under the oppressive sky may clue you in that the overall passage has a sad tone to it. Even later in the passage the author states that the scene is melancholic.
Answer:
5) Promote
6) Reimburse
8) Message
9) Purchase
10) Exhibition
Explanation:
Not really sure but most of these make sense in these ways.
