Choose the word whose underlined part is pronounced differently from the other

I. Choose the word whose underlined part is pronounced differently from the others.

1. A. plays                       B. says                       C. days                            D. stays

2. A. when                       B. who                       C. where                         D.what
3.A. station                      B. question                C.intersection                 D.destination

II. Find the word that differs from the rest in the position of the main stress

4.A. number                     B. morning                C.greeting                       D. repeat

5.A. brother                      B.doctor                    C.sister                            D.sixteen

6.A.literature                    B. history                  C. english                        D.geography