Mary has  cousins. They are Betty, Peter, Bill and Ann.

    Mary is  (old) of five. Betty is thirteen years old. She is two years younger Mary and one year older than Peter. Ann is the youngest and she is naughty(淘气的). When her mother asks her （wash） hands, he never washes them  (careful). She only puts her hands in the water  a few seconds(秒) and took them out again. Betty and Peter are good at (run). They also like playing basketball. Peter plays (good) than Betty. Bill and Mary study in  same school. They study in No.1 School. Both of them always get good  (grade).