问题
选择题
Don't speak to him like that. He is only a _____boy.[ ]
A. five years old
B. five-year-old
C. five-years-old
D. five year old
答案
答案：B
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Don't speak to him like that. He is only a _____boy.[ ]
A. five years old
B. five-year-old
C. five-years-old
D. five year old
答案：B