是FIVE YEAR OLD还是FIVE YEARS OLD

是FIVE YEAR OLD还是FIVE YEARS OLD 是the old man has a five years old grandson还是the old man has a five-year-old grandson? her five-year-old a five-year-old boy还是a five-year old boy five years old与five-year-old区别 His little brother is ( ) a) five years old b)five-years-old c)five-year-old d) five-year-old 2.Cathy is a ---girl.A.five years B.five-years-old C.five-year-old D.five-year old five years plans是五年计划吗~还是five-years plan或是five-year plans / five-year plan那我看到有人写five years plans对吗~ He is a ____ boy .He is a ____ boy .A.five-years-old B.five years old C.five-year-old D.five year old five-year-old是不是只能作定语?而five years old只能作标语?eg：She is a five-year-old girl.She is five years old. 纠错He is five-year-old this year The little boy is only _____ A.five year old B.five-year-oldC.five-years-old D.five old填选项里的 第五是Number five还是Number Five? The boy was __________ and______________ his way last weekendA、five-year-old；lost B、five years old；losed C、five years old；lost D、five-years-old；lost a five-year-old boy与the boy is five years old的区别 five-year=old和five years old用法有什么区别啊 five-year-old可以做定语,five years old可以作定语吗? a five-year-old boy翻译成汉语是什么