单项选择题
A．that B．of which C．in which D．whom
Opposite the square is a very tall building,（）top is we...
单项选择题Opposite the square is a very tall building,（）top is well above the tops of the others.
A．its B．whose C．which D．that
Some of the musical pieces for（）Isadora Duncan choreogr...
单项选择题Some of the musical pieces for（）Isadora Duncan choreographed dances were waltzes and mazurkas by Chopin.
A．whom B．that C．which D．what
No plant can possibly exist on the moon because there i...
单项选择题No plant can possibly exist on the moon because there is no water,（）is indispensable to life.
A．that B．which C．it D．of which
