Answer:
Abuse, Barbarity, and shameless
Explanation:
Answer: Fragment
Explanation: It does not contain a subject and verb and object.
Given that 'blunt' means 'not smart' and that 'mettle' means 'wit; intelligence', I believe that the statement that best paraphrases "What a blunt fellow is this grown to be! He was quick mettle when he went to school" is "This man, who was smart in school, has grown up to be unintelligent".
All the kings horses and and all the kings men