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?