(   ) 6.________ of the students in our class can work out this problem.

A. Third fives    B. Three five

C,Three fifths D. Third fifth

6. C 分數(shù)的表達法：分子用基數(shù)詞，分母用序數(shù)詞。當分子大于1時，分母加s。

題目來源：仁愛英語同步練習冊九年級上冊下冊合訂本 > Topic 2 The population in developing countries is growing faster.

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