Here are the answers to each group:
1. A. pottery, B. local, C. **control**, D. fold (The stress pattern is different in 'control'.)
2. A. artisan, B. establish, C. attraction, D. **handicraft** (The stress pattern is different in 'handicraft'.)
3. A. environment, B. **environmental**, C. entertainment, D. document (The stress pattern is different in 'environmental'.)
4. A. helped, B. **struggled**, C. remarked, D. watched (The vowel sound in 'struggled' is different from the others.)
5. A. chairs, B. suitcases, C. **things**, D. calculators (The 'th' sound in 'things' is different from the others.)
6. A. endangered, B. generation, C. accept, D. **memorable** (The stress pattern is different in 'memorable'.)
7. A. traditional, B. graduation, C. handicraft, D. **grandparent** (The stress pattern is different in 'grandparent'.)
8. A. environment, B. repeat, C. embroider, D. **transfer** (The stress pattern is different in 'transfer'.)
9. A. pottery, B. **opinion**, C. communicate, D. behavior (The stress pattern is different in 'opinion'.)
10. A. handicraft, B. publish, C. **remind**, D. historical (The stress pattern is different in 'remind'.)
11. A. pottery, B. product, C. workshop, D. **conical** (The stress pattern is different in 'conical'.)
12. A. surface, B. layer, C. frame, D. **birthplace** (The stress pattern is different in 'birthplace'.)
13. A. weather, B. **thread**, C. together, D. rather (The 'th' sound in 'thread' is different from the others.)
14. A. historical, B. system, C. landscape, D. **business** (The stress pattern is different in 'business'.)
15. A. carved, B. impressed, C. embroidered, D. **weaved** (The 'ea' sound in 'weaved' is different from the others.)
16. A. attraction, B. artisan, C. frame, D. **handicraft** (The stress pattern is different in 'handicraft'.)
17. A. drumhead, B. illustration, C. **earplug**, D. drugstore (The stress pattern is different in 'earplug'.)
18. A. strip, B. visual, C. artistic, D. **remind** (The stress pattern is different in 'remind'.)
19. A. thread, B. treat, C. **pleasure**, D. deadline (The 'ea' sound in 'pleasure' is different from the others.)
20. A. embroider, B. preserve, C. benefit, D. **effect** (The stress pattern is different in 'effect'.)
21. A. **east**, B. head, C. street, D. season (The 'ea' sound in 'east' is different from the others.)
22. A. although, B. southern, C. theatre, D. **these** (The 'th' sound in 'these' is different from the others.)
23. A. developed, B. located, C. founded, D. **completed** (The stress pattern is different in 'completed'.)
24. A. capital, B. liberty, C. **empire**, D. mingle (The 'e' sound in 'empire' is different from the others.)
25. A. famous, B. neighbour, C. harbour, D. **southern** (The 'ou' sound in 'southern' is different from the others.)
26. A. surface, B. attraction, C. lacquerware, D. **artisan** (The stress pattern is different in 'artisan'.)
27. A. layer, B. **artisan**, C. frame, D. place (The stress pattern is different in 'artisan'.)
28. A. drum, B. culture, C. museum, D. **sculpture** (The stress pattern is different in 'sculpture'.)
29. A. weave, B. treat, C. deal, D. **drumhead** (The stress pattern is different in 'drumhead'.)
30. A. although, B. **authenticity**, C. through, D. tablecloth (The stress pattern is different in 'authenticity'.)