Since leaving school, my elder brother (not be able to
find a suitable job, but during the summer holidays he
(work) for a week as a waiter.

Explanation:

Since leaving school, my elder brother has not been able to find a suitable job, but during the summer holidays he works for a week as a waiter.

these are all different formats for citing your sources in a research paper. mla stands for modern language association. apa stands for american psychological association. cms stands for the chicago manual of style.

answer; i believe that the correct answer is (north and south);