I Choose the word whose main stressed syllable is placed differently from that of the other in each group. 1.A. avoid Am2 2. A spacious Am! 3. A. available 4. A. appearance 5. A. wonderland 6. A. harvest B. exist B. hungry C. support D. notice C. disease D. danger B. environment C. electrical C. personal B. pollution C. driverless D. volunteer D. opinion D. expensive B. favorite B. parade C. music D. pumpkin 7. A. offer B. prefer C. abroad D. arrive 8. A. famous B. joyful C. usual D. alone 9. A. exist B. avoid C. support D. notice 10. A. hungry B. disease C. spacious D. danger 11. A. favourite B. pollution C. imagine D. exhausted 12. A. energy 13. A. recycle B. plentiful C. disappear D. celebrate B. description C. contribute D. atmosphere 14. A. prefer B. finish C. complete 15. A. dangerous B. important C. enormous D. begin D. convenient