28. son of my father is my O A. relativeOB. brotherO C. distant relativeO D. brother-in-lawO E. stepbrother29. My mother's brother is my ...O A. nieceO B. nephewO C. sisterO D. brother-in-lawO E. uncle30. The students ... in the European museum last night. Last month they ... in the Hermitage.O A. were, will beOB. are, wereO will be areD. are, wasO E. were, were​