My little sister is only____.A.six years B .six years old C.

My little sister is only____.A.six years B .six years old C. My little brother is ____.A.a six-years old boy B.a six-year Mary is six years old(对six years old提问 My brother is six years old.对划线部分提问 My brother is (six years old)括号提问 l have a ------daughter.A.six years oid B.six years oid C.si Ann's brother is only six years old中对only six years old进行提问 请问是six-year-old还是six years old还是six-years-old?(这个空签名有个a ) The little girl is six years old,but she can get d_____ by h The little boy is only six years old,_____,he can writes nov my cousin is a ____boy.A.16 years old B.c.16-years-old d.16- Ann’s brother is only six years old.(就划线部分提问)（only six years