About _______of the works in the factory were born in the___________.

问题描述:

About _______of the works in the factory were born in the___________.
A.two-thirds;1970
B.two-thirds;1970s
C.two-third;1970
D.two-third;1970s

B,几分之几 如果分子不是一分母都要加s,1970s是指二十世纪七十年代