单项选择题
A．when B．where C．that D．which
After he has written his paper, he found some additiona...
单项选择题After he has written his paper, he found some additional material（）he should have included.
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
