Choose the word that differs from the other three in the position of primary stress in each line (nhớ giải thích nhé ) 1.a.to

Choose the word that differs from the other three in the position of primary stress in each line (nhớ giải thích nhé )
1.a.tornado b.decorate c.erupt d.suggest
2. a.aboard b.about c.thunderstorm d. arrive
3.a.ancient b.acquaintaince c.decorate d.solar
4.a.celebrate b.extensive c.persuade d. environment