Hi! I'm Alan.This is my dream house .It has a small but nice room.Some pictures are on the wall.There is  a bookcase in my room.There is a desk and a chair in it.My schoolbag is on the desk.Oh!Where is my pencil case?It is under the chair.There are some pencils and a ruler in the pencil case.My shoes and a basketball are under the bed.I like my dream house very much. Alan's pencil case is   _  .
on the desk on the wall under the chair under the bed