II. Choose the word that has main stress placed differently from the others:
1. A. unaffected B. undrinkable C. uncountable D. unsuitable
2. A. unpopular B. unorganized C. unfortunate D. unambitious
3. A. imperfect B. immature C. immobile D. immoral
4. A. translator B. director C. editor D. spectator
5. A. consumer B. performer C. shopkeeper D. believe
6. A. impair B. unhurt C. effect D. insect
7. A. explorer B. accurate C. unhealthy D. mature
8. A. affect B. happen C. pollution D. prefer
9. A. unhelpful B. unlikely C. unforeseen D. unusual
10. A. imprecise B. imperfect C. impartial D. impassive
11. A. unkind B. kindness C. impure D. machine
12. A. imbalance B. unable C. unhealthy D. impolite
13. A. unexplored B. unforeseen C. untidy D. immature
14. A. impossible B. unnatural C. unrelated D. unbearable
15. A. unlimited B. undeveloped C. unsuccessful D. unaffected