Answer:
Depending on the context you may consider antonyms to ostentatious such as reserved or modest. The word you are looking for is something like patina or tarnish.
Answer:
gigantic, one-eyed beings with enormous strength
I think that what you are asking is which word is a subject complement in that sentence. What I think the answer to this question is the word third.
Yes,Of course because our father sacrificed for us too so it's our turn to give the gift they wanted, A child's once sacrifice.
hope this helps xx