He learns to never try to trick the Gods again.
The Atlantic Ocean around the North Pole is ice-covered.
Classical poetry is poetry rooted in Classicism, which emphasizes simplicity and clarity while limiting the display of emotion. It emphasizes a "less is more" mentality that values things that are aesthetically beautiful and possess the appearance of perfection.
The inference is that she needs to speak up hope that helps!
1d) was designed (long time ago so past tense)
2d) Has been repaired (It is still going on the present, this year)
3c) Had discovered (He discovered America long time ago)
4a) To have worked (worked long ago when he was young)
Hope it helps!