题目内容
John is only a ________ boy, but he can do lots of housework.
A. ten?-years?-old B. ten-?year?-old
C. ten years old D. ten year old
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题目内容
John is only a ________ boy, but he can do lots of housework.
A. ten?-years?-old B. ten-?year?-old
C. ten years old D. ten year old