I. Choose the word that is stressed differently from the others. 1. A. airmail B. comfort C. contact D. tonight 2. A. interest B. position C. recycle D. resources 3. A. upset B. highlight C. meaning D. mother 4. A. language B. sentence C. remember D. different 5. A. across B. report C. lunar D. pronounce 6. A. interest B. explain C. tutor D. hobby 7. A. assistance B. similar C. register D. citizen 10. A. tutor B. upset C. English D. lunar 11. A. attend B. discount C. notice D. pancake 12. A. selection B. resident C. convenient D. conditioned 14. A. garden B. enroll C. sidewalk D. drawing 15. A. voluntary B. academic C. application D. education 16. A. area B. comfort C. market D. concern 17. A. customer B. delicious C. grocery D. resident 18. A. organize B. discussion C. restaurant D. neighbor