通读下面短文，掌握其大意，然后在每小题所给的四个选项中选出一个最佳答案。

    Jenny was on the way to the school library. She wanted to return(归还) books and1some new ones. She likes2so much. When she got to3library and opened her bag, she found the4were not in it. She looked for them again,5she still couldn't find them. She was a little worried. She ran back to the classroom and looked in every corner of the classroom. The result(结果) was the same.

    "What can I do? The books are6." She almost(几乎) began to7. At that time, she thought of the8. She ran there, saw the two books and smiled.

    "Oh, thank goodness.9more careful next time," she said to10.