问题
选择题
— What does the fresh juice contain?
— ________of the juice ________ orange. It's very pure.
A．Four-fifth; are
B．Four-fifths; are
C．Four-fifth; is
D．Four-fifths; is
答案
答案：D
考查分数的表示和主谓一致。分子超过1，分母用复数；主语是不可数名词juice，动词使用is。