题目内容：
根据下面资料，回答
A library is a place which people can find out almost anything. A person just needs library card to borrow a book to be taken home. The person goes to the main desk to have a library helper check the book out. The helper print the card with the date by that the book must be returned back to the library. If the book has returned late, the person must pay money to having broken the rule. Books in a library put in a certain order to help people find what they want. In some libraries, all the books of animals may be put together. In other libraries, all the books writing by the same person may be placed together.
第四处
答案解析：