15. I don’t want this pen, could you show me a　　　 　one?

(三) 用所给词的适当形式填空.

14. It’s twelve o’ clock. Let’s s　　　 　to have lunch now.

13. There will be a big party here in our school in a c　　　　 　of days.

12. So everyone, please smile at the world and it will smile b　　　 　.

11. She can’t decide i　　 　she should explain.

10. I had a good time on your birthday. Thanks for your i　　　 　.

9. Many people make friends by w　　　 　letters.

8. I’ m interested in c　　　　 　stamps.

7. Tom is a 　　　　　to swim in the sea.

6. I live alone, but I don’t feel l　　　 　.