所给词的适当形式填空。

1. You are _______ than I. (luck)

2. It's ________ to drink the polluted water. (health)

3. My uncle does ________ in Guangzhou. (busy)

4. Football is an ________ game of feet. (nation)

5. Excuse me, I'd like to borrow a ________ book. (medicine)

6. Nothing is ________ if you put your heart into it. (possible)

7. Have the policemen found that ________ boy? (lose)

8. This book gives us the ________ of the true story. (present)

9. My mother is badly ill. She needs an ________ at once. (operate)

10. We are very glad to see the fast ________ of our city. (develop)