Question

【题目】It is one of ______ in the city.
A.the highest building
B.higher buildings
C.highest buildings
D.the highest buildings

Answer 1

【答案】D
【解析】one of 表示“……之一”，后面跟形容词的最高级，名词必须用复数形式，故选D。句意是：这是城市中最高的楼房之一。