根据内容和所给的首字母补充短文.

问题描述:

根据内容和所给的首字母补充短文.
Look!This is my schoolbag.It's 1.o______ the sofa.That's my computer.It 2.i______ on the desk.Those are my keys.3.T______ are 4.i______ the bag.These are my books and pencil box.They are 5.u______ the table.My baseball is under the chair.The model plane is 6.o______ the table.Where 7.a______ my pencil?Oh,they are in the schoolbag.

on
is
They
in
under
on
are