Điền từ thích hợp vào đoạn văn

       Name     clean              books            of        classify         immediately    gift bookstores

Collecting (1)______________ is my favourite hobby. I started my hobby five years ago. The first item in my collection is a book about Doraemon. And now I have a lot (2) ______ books of all kinds: comics, children's, history, science, detective, adventure, etc. Whenever I find an interesting book I buy it (3)_________________ I usually buy books in the (4) _________________ near my school and my house. Sometimes my relatives and my friends give me books as a (5)_____________. I (6)_______________ my books into different categories and put each category in one corner of my bookshelf with a (7)_______________ tag on it. It takes all my free time to keep everything (8)____________  and dusted. It keeps me amused for hours, too.