Question

About_of the students in Grade Nine this year were born in the _

A.three five;1996 B.three fifths;1990s C.third fifth;1997 D.third fifths;1990s 并说明理由

Answer 1

选择B
解析:分子用基数词three，分母用序数词fifth，当分子大于一时，分母的序数词后面加s,故有three
fifths来表达三分之五。
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