Gold and silver would be correct i believe
Answer:
He died so unexpectedly
Explanation:
'Where have you gone charming billy' ~ is like is a joke you right, you're not dead but went somewhere or to get something. He never expected it so he laughed maybe he will come out of this hallucinations or dream.
I think that the italicized word is "trained" as it's a participle and there is no other participle or gerund! A participle is a verb form that can be used to modify a noun.