Choose the word whose stress pattern is different from the others: ----- Nội dung dịch tự động từ ảnh ----- 15. A. different B. difficult C. beautiful D. surrounding 16. A. optional B. typical C. delicious D. evening C. family C. chemistry C. exciting 17. A. description B. badminton D. usually 18. A. organize B. position D. friendliness 19. A. happiness B. century D. memory 20. A. engineer B. entertain C. afternoon D. festival 21. A. education B. development C. economic D. preparation C. traditional C. experiment C. participate C. community 22. A. education B. entertainment D. information 23. A. competition B. environment D. development 24. A. traditional B. conservation D. community 25. A. technology B. successfully D. memorable