17. kindergartens 18. kitchen19. knees 20. knife 21. Knocking

13.keeping 14.killed 15. kicking 16.kilometers

5. Japan 6. Japanese 7. Japanese 8. join 9. juice10. jumping 11. June 12.jokes

1. journey 2. January 3. Judging 4. jacket

26.Yesterday my mom bought 5 _________ (千克)apples.

答案：

25.____________(知识) is power.

24.Not ________(知道) what to do, he asked the teacher for advice.

23.To make yourself ___________(知道) ,you should do something usual.

22.Lying in bed, I could hear the rain _____(敲打) the windows.

21.____________(撞) into a lady, Tom apologized to her immediately.