Xin went to the library to borrow a book entitled Organic Chemistry, but she couldn't find it. She 1. ________ to the library desk for help. The librarian searched the 2. ________ and found that the book was 3. ________. Because Xin would have a test that would 4. ________ the information in that book, the librarian offered to put a 5. ________ on the book in another branch of the library. Xin would need to 6. _____ it_____at that branch herself. All Xin had to do there was to go to the 7. _____ desk and ask for it. But Xin still had one more problem that day. She could not find another book on the 8. _____. The computer said that the book was not in circulation. The librarian explained that the book was on a 9. _____ shelf and couldn't be checked out. Xin decided that she would 10. _____ it in the library.