阅读下面的短文 ,根据短文内容回答问题

阅读下面的短文 ,根据短文内容回答问题
My name is jeff.i'm english but nuw i live in china.Ian  a  student  . This  is   my   classroom.fifteen     small    desks and thirty   chais   are  in  the   classroom.They   are   for  my   classmates  and   me  .A big desk  is   in  the    classroom ,too.it's  for  my   teacher.   A  clock  is   on   the   back  wall    of    the    classroom. Mext    to    the   clock    is   a   map   .it's   a   map   of    china.
my   classroom  is   nice   and   clean   .i    like   it   very   much.


Who's  jeff?


   2.What  is   jeff   talking   about?


  3.What's  on   the   back   wall   of   the    classroom?


   4.How   many   desks are   there  in   the    classroom?


   5.What   dose  "it" in   the   last    sentence    mean   in   the   passage?