请教一下8-year-old和8 years old有什么区别?我搞不懂额……8是泛指……

请教一下8-year-old和8 years old有什么区别?我搞不懂额……8是泛指…… 请教一下哈 He is __ 7 years old this year. 我想问一下ten-year-old和ten year old有什麼不同啊,为什麼它们要加-呢 _____(a/an)1-year-old boy _____(a/an)8-year-old boy _____(a/an)11-year-old boy_____(a/an)13-year-old boy 中间有—和没—怎么样啊?an 8 year old boy 和an 8 —year— old boy eight years和eight-year-old和eight-years-old和eight year oldhe is an____boy?A.eight years B.eight-year-old C.eight-years-old D.eight year old选哪个,我刚刚查了一下,有个人说eight-year-old在名词前,eight years old在be动词后.还 He is an 8-year-old boy.对 8-year-old画线提问 英语翻译She is a 8-year-old girl还是She is an 8-year-old girl. she is an 8-year-old girl 和she is a 8-year-old girl 到底前面是an 还是a four-year-old和four year old有什么不同 11 year old和11-year-old有什么区别 Lily,_______girl,is very popular in our class.A、a 8-year-old B、a 8 year old C、 an 8-year-old D、an 8-years-old The _ boy is Tom's brother.A 8-year old B 8 years old C 8year old D 8 years' old 请说明理由不知为什么 Mary is( )girl.A.an 8 year old B.8 years old C.the 8 years old D.an 8-year-old选择 Lily is ____ girl.A.a 8-years-old B.an 8-year-old C.an 8-years-old D.a 8-year-old The____boy can play football very much A 8 years old B 8 year old C 8-year-old D 8-years-old先到先得- 句型转换 My grandparents bought an old house last yea句型转换My grandparents bought an old house last year.(改为现在完成时）My grandparents _ _ an old house _ _ _. .Black Dog Centenary (8 Year Old Scotch Whisky)的价格