Question

【题目】About _______ of the students in our class were born in the _______.
A.two-fifths; 1990s
B.two-fifths; 1990
C.two-fifth; 1990s
D.two-fifth; 1990

Answer 1

【答案】A
【解析】句意：我们班大约五分之二的学生出生在２０世纪９０年代。分数的表达法：分子基数词，分母序数词，分子大于一，分母用加-s，所以五分之二是two-fifths；in the 1990s在２０世纪９０年代。故选A。