1. 根据短文内容，判断句子正误。

I have a new schoolbag. It's so heavy. There are many books in it. I have six storybooks, one maths book, one English book and two Chinese books.

There is a new pencil box in the schoolbag. There is a new pen, ten crayons and two rulers in it.

1. （1） The schoolbag is old.
3. （2） The schoolbag is heavy.
5. （3） There are five storybooks in the schoolbag.
7. （4） There are twenty crayons in the pencil box.
9. （5） There is a new pen in the pencil box.