Pick out the word whose stress is different from that of the other words.
1. A. however B. overcome C. employment D. important
2. A. education B. renovation C. kindergarten D. informality
3. A. vacancy B. physical C. substantial D. reference
4. A. majority B. education C. economy D. American
5. A. polite B. apply C. gesture D. reform
6. A. decision B. reference C. refusal D. important
7. A. intelligent B. comfortable C. necessary D. secretary
8. A. cooperate B. permanent C. recognize D. industry
9. A. birthday B. happen C. enjoy D. pleasure
10. A. expression B. decisive C. dependent D. industry
11. A. majority B. minority C. interviewer D. enjoyable
12. A. appearance B. measurement C. counterpart D. cultural
13. A. romantic B. following C. summary D. physical
14. A. determine B. appearance C. develop D. different
15. A. contractual B. significant C. participate D. economics
16. A. answer B. begin C. refuse D. complain
17. A. mischievous B. family C. supportive D. suitable
18. A. bridegroom B. maintain C. wedding D. survey
19. A. September B. October C. computer D. difference
20. A. authority B. eliminate C. education D. eradicate