问题
选择题
______ of his time ______ been spent on studies every day.
A．Four-fifths; has
B．Four-fifths; have
C．Four-five; has
D．Fourths-five; have
答案
答案：A
英语分数表达法，分子读坐基数词，分母读做序数词。如果分子是一，则分母直接读做序数词；如果分母大于一，则序数词要加s变成复数。主语为抽象名词,谓语动词用第三人称单数形式,故选A.
