___of the stundents in this class are girlsA.Three-sevenB.Three seventhC.Three seventhsD.Three seve

问题描述:

___of the stundents in this class are girlsA.Three-sevenB.Three seventhC.Three seventhsD.Three seve

这个题应该选C.是分数七分之三的表达方法.
分子用基数词来表达:three分母用序数词表达:sevenths 因为分子大于一,所以分母要加s.
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