Choose the word whose main stressed syllable is placed differently from that of the other in each group.
1. A. basketball B. athlete C. career D. skateboard
2. A. equipment B. fantastic C. replace D. sporty
3. A. pastime B. aerobics C. football D. swimming
4. A. volunteer B. competition C. explanation D. congratulation
5. A. relax B. cycling C. fishing D. marathon
6. A. popular B. successful C. volleyball D. basketball
7. A. yoga B. music C. relax D. hobby
8. A. individual B. interest C. badminton D. favourite
9. A. sporty B. indoor C. outdoor D. compete
10. A. aerobics B. humorous C. practice D. separate
11. A. modern B. tennis C. exhaust D. useful
12. A. equipment B. exercise C. volleyball D. usually
13. A. sporty B. active C. create D. racket
14. A. sportsperson B. aerobic C. marathon D. Skateboarding
15. A. national B. article C. badminton D. achievement