问题补充:
About of the students in our school took part in the school sports meeting last Friday.
A. one-thirds
B. two-third
C. one-fifths
D. two-thirds
答案:
A. one-thirds
B. two-third
C. one-fifths
(答案→)D. two-thirds
解析:英语中一般用基数词表示分数的分子,用序数词表示分数的分母。当分子是一时,分数的分母用单数形式,在表示分数时,当分数的分子大于一时,分数的分母要用复数形式。根据分析可知选项ABC结构有误,故选D。