choose the word(a,b,c,d) whose main stress is placed differently from the others in each group :
1. A.mixture B.allow C.affect D.disease
2. A.delicious B.support C.surround D.turmeric
3.A.homeless B.locate C.fragile D. calorie
4. A.atmosphere B.performance C.pagoda D.monopoly
5. A.volunteer B.vegetarian C.independent D.essential