This boy is Peter Brown . His first name is Peter . His last name is Brown . He is in No.3 Middle School . His school ID card number is 279-4856 . His English teacher is Miss White . Miss White is a good teacher . Jack is his good friend at school . They are in the same school and the same grade . Mrs. Green is Jack's mother . She is an English teacher , too . She is in this school , too . But Peter does not know it . _   is right .
Mrs. Green isn't Jack's parent . Peter and Jack are good friends . Mrs. Green is a Chinese teacher . Peter knows Jack is Mrs. Green's son