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a 11-year-old an 11-years-old an 11-year-old a 11 year old
a 11-years-old a 11-year-old an 11-year-old an 11-years-old
a; a an; the an; a the; 不填
a; \ an; \ the; the an; the
boy of 16 16 year old boy 16 years old boy 16-years-old boy
one 11--years-old one 11--years old one--year--old one 11--year--old
a , a an , an a , an an , a
11-year-old 11-years-old 12-year-old 12-years-old
a 11 years old boy a 11-year-old boy an 11-year-old boy an 11 years old
an oneyearold a one-year-old an oneyear old a oneyear old
8-year old 10-year-old 18-year-old 8 year old
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a 8-years-old boy an 8-year-old boy a 8 years old boy an 8 year old boy
a 11-years-old a 11-year-old an 11-year-old an 11-years-old
a; a an; the an; a the; 不填