题目内容
(题文)Bill is only a ____ boy, but he can speak Chinese very well.
A. 5-year-old B. 5-years-old C. 5 year old D. 5 year olds
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题目内容
(题文)Bill is only a ____ boy, but he can speak Chinese very well.
A. 5-year-old B. 5-years-old C. 5 year old D. 5 year olds