* Choose the word whose mainstressed syllable is different from the rest. 9. A. extinction D. 10. A. wildlife C. habitat C. forest C. awareness D. extinct 11. A. summarize D. existence 12. A. decide D. wetlands C. digest C. difficulty 13. A. entertainment D. understandin D. bamboo 14. A. swallow C. panda B. endanger B. effort B. establish B. increase B. information B. subject commercial