Amy is 10 years old 和Amy is 10 year old 到底哪个对?

Amy is 10 years old 和Amy is 10 year old 到底哪个对? Amy is 14 years old,China is 14 years old,too.同义句Amy is the _ _ as Gina. I'm 10 years old,Amy is12.Tom is 14.（用比较级,最高级改写） Amy is fifteen years old .Millie is fifteen years old同义句 Amy is fifteen years old.millie is eighteen years old.合并成一句 Amy is 7 years old 对划线部分提问（划线部分是：7 years old ） I'm 12 years old. Amy is 15 years old (合并成一句)I'm ___ ____ younger than Amy Bob is five years old.Amy is fifteen years old.(合为一句) Amy is ____ ____ older than Bob. Amy is ten years old ,and Tom is eleven.的同义句是什 Amy is a girl.She is eleven years old 合并为一个句子 Sarah is tow years ____(old) than Amy.英语高手快进来!十分钟后就麻烦了. How old is Amy?的同义句（ ）Amy's( How old is amy 的意思 Amy（ ）twelfth years old 括号里填be动词 jack is 10 years old and mike is 10 years old too改为同义句 Lucy is 10 years old.Tom is 13 years old.合为一句 Kate is ten years old.Lily is eight years old. 看答句,写问句.1.tony：____________?amy：lucy is看答句,写问句.1.tony：____________?amy：lucy is 15 years old.2.susan：_________?john：no,i am 51 kg.3.john：_________?tim：tom is taller than you.