问题
选择题
Yangyang is boy means Yangyang is 18 years old.[ ]
A. a 18-year-old
B. a 18-years-old
C. an 18-years-old
D. an 18-year-old
答案
答案：D
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Yangyang is boy means Yangyang is 18 years old.[ ]
A. a 18-year-old
B. a 18-years-old
C. an 18-years-old
D. an 18-year-old
答案：D
