1. 用方框中所给单词或短语的适当形式填空(有一项多余)。

be    some    picture    a lot of    everyone    world

1. （1） There are trees in our school.
3. （2） — How many are there on the wall?

   — There are three.

5. （3） There a picture and three books on the desk.
7. （4） Are there books in your classroom?
9. （5） Are there any books on desk?