an 80 years old woman和an 80-year-old woman

an 80 years old woman和an 80-year-old woman this is an old man. he is 80 years old. 合成一句 I know Mrs.Smith,____woman.A.is 80-years-old B.is 80 year old C.an 80-year-old D.a 80 years oldI know Mrs.Smith,_________woman.A.is 80-years-old B.is 80 year old C.an 80-year-old D.a 80 years old 亲们,英语牛人帮个忙!明天期末考,My Grandfather is _____man A：an 80-year-old B:a 80 years old C:an 8n-years old D:a 80 year old He saved an woman.The woman was very grateful.A.80 years old B.80-year-old 选择的理由? this is an old man .he is 80 years old合成一句.this is —— ——man my grandmother is 80 years old 的同意句是什么?my grandmother is an ( ) ( ) 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 an eight-year-old child与an eight years old child 的区别 an 18 years old,an 18-year-old有什么区别 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. Jane is（）high school studentA.a 18-year-old B.a 18-years-old C.an 18-years-old D.an 18-year-old 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