She has a __________ daughter. A: six-years-old B: six-year-old C: six year old D: six years old

Mary is _________ girl. A: an 8—year—old B: 8一years—old C: the 8 years old D: an 8一year old

The appropriate age for unilateral cleft lip repair is ( ) A: one to two months old B: three to six months old C: one to two years old D: three to six years old

He will live in Singapore（）. A: for at least 6 months in any one year B: all through the year C: for less than six months a year D: for up to six months

How old was the baby? A: 15 months B: 16 months C: one year old D: one year and a half old

A: How old is the dog?B: He is not very old.Q: The dog is A: very old B: not very old C: half a year D: one year and a half

4. The little boy is _________. A: four years old B: five years old C: six years old D: seven years old

For six months of the year, there is hardly any light at the ( ). (polar)

My (old) brother is only one year (old) than me.

Tom is 　 now. A: eight year old B: eight years old C: eight-years-old