About< >of the workers in the factory were born

题目

About< >of the workers in the factory were born
About< >of the workers in the factory were born in the< >.A,two thirds,1970 B,two thirds,1970s C,two third,1970 The two picture look the same.It is hard to< >one from the other.A,speak B,say C,tell The wind is blowing < >outside A,strongly B,hardly C,heavily 请附上解晰,

答案

1 B,two thirds,1970s
分数表达法,分子用数词,分母用序数词,分子大于1时,分母加S变复数
in the 1970s=1n 1970 表达19世纪70年代的两种方法
2 B say
speak一般不直接后接宾语的,如speak in English或者speak loudly等
tell一般后接人,tell sb sth
3 A 和 C的表达方法都有的