a 15-year-old b 15-years-old c15-year-olds d15 y
a 15-year-old b 15-years-old c15-year-olds d15 y
a 15-year-old b 15-years-old c15-year-olds d15 years old he is 40years old and he is 25 years older than his son.he has a boy選哪個(gè)
a 15-year-old b 15-years-old c15-year-olds d15 years old he is 40years old and he is 25 years older than his son.he has a boy選哪個(gè)
英語人氣：536 ℃時(shí)間：2020-05-12 08:19:14
優(yōu)質(zhì)解答
選A,15-year-old意思為十五歲大的,有連字符,它不用變復(fù)數(shù)的
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