问题
选择题
About _____ of the workers in the factory were born in _____ . [ ]
A. three fifths; 1970s
B. three fifths; 1970's
C. three fifth; the 1970s
D. three fifths; 1970
答案
答案：D
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About _____ of the workers in the factory were born in _____ . [ ]
A. three fifths; 1970s
B. three fifths; 1970's
C. three fifth; the 1970s
D. three fifths; 1970
答案：D