--- How many students are there in your class? --- Forty.and of us are girls.A. three fifthsB. three fifthC. third fiveD. third fifths 题目和参考答案——青夏教育精英家教网—

题目内容

--- How many students are there in your class? --- Forty，and ________ of us are girls.

A. three fifthsB. three fifth

C. third fiveD. third fifths

【解析】

试题分析：句意：你班级里有多少学生？四十，并且五分之三是女生。分数的表达方法：分子基数词，分母序数词，分子大于一，分母加s。故选A。

考点：考查分数的表达方法。

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