About _of the workers in the factory were born in the_ A.two-thirds,1970 B.two-thirds,1970s C....About _of the workers in the factory were born in the_ A.two-thirds,1970 B.two-thirds,1970s C.two-third,1970 D.two-third,1970

About _of the workers in the factory were born in the_ A.two-thirds,1970 B.two-thirds,1970s C....About _of the workers in the factory were born in the_ A.two-thirds,1970 B.two-thirds,1970s C.two-third,1970 D.two-third,1970
About _of the workers in the factory were born in the_ A.two-thirds,1970 B.two-thirds,1970s C....
About _of the workers in the factory were born in the_ A.two-thirds,1970 B.two-thirds,1970s C.two-third,1970 D.two-third,1970

About _of the workers in the factory were born in the_ A.two-thirds,1970 B.two-thirds,1970s C....About _of the workers in the factory were born in the_ A.two-thirds,1970 B.two-thirds,1970s C.two-third,1970 D.two-third,1970
B
三分之二的写法是：two-thirds
70年代的写法是：1970s

B

B

B.two-thirds,1970s
当分子大于1时 分母需要加s 所以三分之二的写法正确的是A和B
In the 1970s 表示多少世纪多少年代 没有in the 1970表示方法
欢迎再问哟

分数 中的分子（基数词）答语1 时 分母（序数词）要用复数
1970s 表示 70年代 不是一年，一个年代是十年