问题
选择题
I saw _______ boy playing football in the garden. [ ]
A. a 8 years old
B. a 8-years-old
C. an 8 year old
D. an 8-year-old
答案
答案：D
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I saw _______ boy playing football in the garden. [ ]
A. a 8 years old
B. a 8-years-old
C. an 8 year old
D. an 8-year-old
答案：D