Mr. Wang has a _____ daughter. A: three-years-old B: three years' old C: three-year-old D: three-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 is three years ______ (old) than his sister.

Ilooked after three ______ in the morning. A: twoyear old B: two-year-old C: two years old D: two-year-olds

Although Bill is only three years old, he can ____ a little Chinese._

My cousin is three years old and she likes dressing ____ (up/on) as a fairy.

11.Mr.Wanghasa_____daughter. A: three-years-old B: threeyears’old C: three-year-old D: three-yearold

Brian is 17 years old and Betty is 14 years old. A: Brian is four years younger than Betty. B: Betty is four years younger than Brian. C: Brian is three years older than Betty. D: Betty is three years older than Brian.

I have two cats. ______ white one is two years old and ______ black one is three years old. A: a;a B: the;a C: the;the D: a;the

The passage tells us that the best time for a child to learn languages is ______. A: before seven years old B: from birth to three years old C: in his childhood D: in his teens