用方框中所给的介词或介词短语填空，每个限用一次
behind in front of under in the front of on
根据汉语提示完成句子，每空一词
阅读理解
We have a big library in our school. There are many kinds of books in it. When you want to borrow some books, you must read the following first. It can help you find the book you want to borrow easily.
There is a big hall on the first floor. There are many shelves in the hall and there are many books on them. When you come into the hall, you will see lots of picture books for children on the first shelf. The storybooks (故事书) about history and geography are on the second shelf. There are some books about music on the left of the second shelf. Next to it, the books on the shelf are about art.
On the second floor, there are all kinds of DVDs and CDs. Some of them are for the students and some are for the teachers. You can also listen to music in the special (特殊的) rooms there.
