I'm ------ ,and I have ------ sister.A.fifteen-year-old;a ten-year-old B.fifteen years old;a ten-years-oldC.fifteen years old;a ten-year-old D.fifteen year old;ten years old

I'm ------ ,and I have ------ sister.A.fifteen-year-old;a ten-year-old B.fifteen years old;a ten-years-oldC.fifteen years old;a ten-year-old D.fifteen year old;ten years old
I'm ------ ,and I have ------ sister.
A.fifteen-year-old;a ten-year-old B.fifteen years old;a ten-years-old
C.fifteen years old;a ten-year-old D.fifteen year old;ten years old

I'm ------ ,and I have ------ sister.A.fifteen-year-old;a ten-year-old B.fifteen years old;a ten-years-oldC.fifteen years old;a ten-year-old D.fifteen year old;ten years old
答案： C

fifteen years old 15岁
a ten-year-old sister 一个10大的妹妹



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C
题意是：我15岁，有个10岁的妹妹
有连字符号的时候是形容词，ten-year-old 十岁的