an 18 years old,an 18-year-old有什么区别

an 18 years old,an 18-year-old有什么区别 Mrs Green is a doctor of______and her daughter Ann is_____university sthdentA.50 years old;an 18-year-old B.50-year-old;an 18 years old C.50 years old;a 18-years-old D.50-years Jane is（）high school studentA.a 18-year-old B.a 18-years-old C.an 18-years-old D.an 18-year-old 1、be careful ____ _____ ____ (not play)with matches.2、Simon is an _____ boy .it means he is ____ A.18 years old;18 years old B .18-year-old;18 years old C.18 years old;18-year -old D.18-year-old;18-year-old an old an old an 80 years old woman和an 80-year-old woman an eight-year-old child与an eight years old child 的区别 The professional tennis player is______.A.an eighteen year old girl B.an eighteen-year-old girl C.an eighteen years old girlD.an eighteen-year-old girl Sharon is an eight-years-old girl的同义句 An old lady talked about hei life many years ago. he is an 8 years old boy 为什么不对 THey were indroduced by an old friend ten years ago Linda is an eleven-years-old girl.改错.是不是该改为：Linda is an eleven-years-old’s girl. 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 l 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-yaer -old an 8 years old boy an 8 years old boyan 8-year-old boy 哪句对?我对第一种结构混淆了 可以做定语吗?