Fill in the blanks with suitable words. Books are great sources (a) — knowledge. They help us (b) — understand the world. A good book is a friend (c) — the lonely. We should read books (d) — interest. Our school library is full (e) — books. Every student should (f) — the habit of reading. Books help in (g) — character. We should choose books (h) — care. Reading books is a noble (i) —. So we must spend some time (j) — reading every day.