问题描述：
A.one and a half year`sB.a year and a half`sC.one and a half yearD.a year and a half的区别和用法
A.one and a half year`s
B.a year and a half`s
C.one and a half year
D.a year and a half
A.one and a half year`s
B.a year and a half`s
C.one and a half year
D.a year and a half
问题解答：
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