Which is expressing an opinion? a) my grandfather was the oldest of the brothers. b) he was old and querulous, and could certainly scold; c) we raised corn and pumpkins, and hay for the horse and cows. d) my grandfather's house faced the country road that ran north.

Which choice is a major detail from paragraph two? a) the great wall is a large network of several walls and towers. b) the great wall looks like a long wall snaking its way across china. c) the great wall was constructed over hundreds of years beginning in 221 b.c. d) the great wall construction encouraged several independent kingdoms to unite.