问题
选择题
of the juice orange. It’s very pure.
A．Fourth five, are
B．Four fifths , are
C．Fourth five, is
D．Four fifths, is
答案
答案：D
题目分析：句意：橘汁的五分之四是橘子。它非常纯正。分数的表达为分子用基数词，分母用序数词，当分子大于一时，分母的序数词用复数形式；又因juice为不可数名词，故谓语动词用单数形式；故选D。