13. we eat food that my father bought

14. we eat food which my father bought it 
15. there is the girl who phone me last night 
16. I buy a new shirt which is beautiful and fashionable
17.  the fruit which is on the table isn't fresh
18. she bought the computer which my father recommended
19. he whom lost the money I had given the money(cách 1)
       he lost the money which I had given him (cách 2)
20. we called the taxi company which Julie often uses
30. Richard said that he was going to ride a skateboard
31. Stephen said that she had cleaned the windows
32. they told me that they tried to please him
33. Nam said that he wanted to be rich and famous
34. they said that their house was enough for them 
35 .he said that he had finished their work
36. she said that she spent her vacation in that village
37. the boy said that he couldn't do it 
38. farmer le said that it would rain