根据句意填单词。

     Look at the p__1__. It's a picture o__2__ a classroom. W__3__ can you see i__4__ the classroom?

I can see a b__5__ desk in the front of the classroom. Some books are o__6__ the desk. What other

things can you see on the teacher's desk? I can see two white b__7__. There is some chalk i__8__ them.

Where a__9__ the brooms? They are b__10__ the door.