请帮忙做一下小学英语六年级语法综合练习，要正确答案，谢谢

12. Does

14. coming

15. helped doing

16. likes listening

17. go

18. is singing

19. has

20. is have

21. clean

22. his

23. singing

24. has

25. was am

26. visited

27. first

28. her, to do

29. crying

30. keeper

31. exciting

32. twenty-first

33. some

34. third

35. Teachers'

36. doesn't

37. gave

38. collecting

39. CDs were

40. is glasses

41. excited

42. exciting

43. draws

44. were

45. him

46. having

47. is

48. fifth

49. have

50. living

51. apples

52. Ben's

53. had

54. go

55. to come

56. talking

57. is

58. second

59. goes

60. did do