20. international, 21. interrupt, 22. introduction, 23. invented, 24. invited,25. invitations, 26.islands

　　　　　　　　　　　　　 JK

14. infer, 15. informed, 16. insisted, 17. institute, 18. interest, instruments, 19. interests,

7. information, 8. imagine, 9. Immediately, 10. importance, 11. increase, 12. India, 13. industry,

1. improve, 2. indeed, 3. income, 4. impossible, 5. including, included, 6. instructions,

26. There are many _______(岛屿) in the South Sea of China.

25. What a lot of _________(请贴) to send out.!

24.I won't go to the party even ______(邀请).

23.Who is considered to have _______(发明) the telephone.

22. Let me make a self __________(介绍) first.

21. Sorry to __________(打断) you ,but I have something important.