Question

【题目】About _______ of the workers in the factory were born in the _______.
A.two-third; 1970
B.two-thirds; 1970s
C.two third; 1970
D.two-third; 1970s

Answer 1

【答案】B
【解析】句意：这个工厂大约三分之二的工人出生在70年代。分数的构成：分子基数词，分母序数词，分子大于一，分母加-s；in the 1970s在20世纪70年代。故选B。