根据首字母提示补全短文。

Alice h____________ two sisters. They are Mary and Ann. A____________ is the youngest (最年轻的)
of the three. Mary i____________ thirteen years old. Ann is seven years o____________. Alice and Mary
s____________ in a middle school (中学). Ann studies in a primary s____________ (小学). They are all
good s____________.

has, Ann, is, old, study, school, students