Which of these sentences correctly uses coordinate adjectives A. My brother likes to ride his bike on slippery, mountain roads B
. My brother likes to ride his bike on crooked, dirt roads in the mountains C. My brother loves to ride his bike on steep, winding roads in the mountains D. My brother likes to ride his bike on hidden, mountain roads.
The word "either" is a correlative. The answer is D. This is because a correlative conjunction connects two nouns and ideas that relates to each other. Either uses "or" so it connects two choices in one situation.