8.Kate is an eight-years-old boy.这里为什么year还要加s,不是有横线就不用加吗?还有什么特殊情况?

8.Kate is an eight-years-old boy.这里为什么year还要加s,不是有横线就不用加吗?还有什么特殊情况? Kate is ten years old.Lily is eight years old. Jim is ten.Kate is eight.Jim is ___ ___ ___ ___ Kate.句意不变．句型转换． kate is an english.she is an english student . tom is ten years old.kate is eight years old.（合并为一句） kate is ten an i'm twelve.so kate is my____sister kate is()english.she is()english student.an;akate is()english.she is()english student.an;an /;/ an;/ /;an he is ____boy 1.a eight-year-old 2.an eight-year-old 3.an eight-years-old 4.a eight year old Benny is an eight-year-old boy 相同的句子 Sharon is an eight-years-old girl的同义句 It is an eight- year-old child改为同义句 He is () eight boy.A:an B:a说明理由 找错LiHao is an eight-years-oid boy She is an _____ girl.[A.eight years oldB.eight-years-old]二选一,理由 she is an eight years old 还是she is an eight-year-old girl对要原因啊 Hao old is your mother?(同义句转换)( )your( )( ( )( )( )( )your mother?注:一空一词Cindy is eight.(同义句转换)Cindy is eight( )( )Cindy is an ( )( )Cindy is( )( )( )8.注:一空一词 Mary is girl,but she knows a lot about science.A.a eight-year-old B.eight-year-old C.eight years old D.an eight-year-old he is ______boy A.an eight years old B .an eight-year-old两个好像都行啊,奥不懂啊