英语13 -year -old 与13 years old的区别

英语13 -year -old 与13 years old的区别 lucy is a（）girl.我认为eight-year-old与13-year-old都对,为什么答案选择后者 英语中年龄的表达法16-year-old 与16 years old 的区别,Lucy is 16 years old.与 Lucy is a 16-year-old girl.中的“16 years old”16-year-old分别是什么成份,表语? eight years old与eight- year-old year-old与years old的区别 _____(a/an)1-year-old boy _____(a/an)8-year-old boy _____(a/an)11-year-old boy_____(a/an)13-year-old boy 数字 years/year old与 数字-year-old的区别 _____ you 12 years old last year? yes, I _____ 13 years old this year. is a （）girl.答案是13-year-old为什么eight-year-old不对 I have two brothers . they are 13 ( ) this yearA years old B year oldC years' old D year's old She is a 13-year-old girl from England. six-year-old与six-year-olds的区别 15-year-old与15-year-olds的区别 thirteen years old与thirteen-year-old的区别 five years old与five-year-old区别 three years old 与 three-year-old 的区别 38 years old 与 38-year-old 的区别 three-year-old 与 three years old区别