Choose the word whose main stressed syllable is placed differently from that of the other in each group

I. Choose the word whose main stressed syllable is placed differently from that of the other in each group.

11. A. station                         B. bottle                                  C. reuse                                  D. donate

12. A. wildlife                                    B. protect                               C. purpose                             D. useful

13. A. charity                         B. hospital                              C. library                                D. recycle

14. A. recycling                     B. container                           C. newspaper                         D. direction

15. A. supermarket              B. community                                   C. environment                      D. imperative