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AboutofthebooksinourschoollibraryarewritteninChineseA.four-fifthB.four-fifthsC.fourth-fifthsD.fourths-fifth请问这些选项里哪个是正确的以及理由.

题目详情
About _____ of the books in our school library are written in Chinese
A.four-fifth B.four-fifths C.fourth-fifths D.fourths-fifth
请问这些选项里哪个是正确的以及理由.
▼优质解答
答案和解析
B
分数表示方法为:基数词-序数词
当基数词大于1时,序数词要加S