From each number, pick out one word which has the stress on the first syllable

From each number, pick out one word which has the stress on the first syllable.
6.         A. ethnic                      B. area                        C. comprise                D. Buddhist
7.         A. federation               B. mausoleum C. recognition D. territory
8.         A. impression              B. separate                  C. official                     D. optional
9.         A. notice                      B. peaceful                  C. region                     D. divide
10.       A. understand              B. engineer                  C. benefit                    D. Japanese