单项选择题
A．in which B．which C．in that D．that
The knee is the joint（）the thigh bone meets the large b...
单项选择题The knee is the joint（）the thigh bone meets the large bone of the lower leg.
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
