1 Art=>Music
2 many=>often
3 slow=>slowly
4 roar=>roared
5 wash=>washes
6 and=>but
7 built=>build
17. readed-> read
18. Ko có lỗi
19. are-> be
20. using-> to use
21. bench-> benches
22. twice-> once
23. three-> twice
24. art-> music
25. many do have..->often do you have
26. slow-> slowly
27. roar-> roared
28. wash-> washes
29. is-> are
30. will-> are going to