21 aren't seeing ( now -> hiện tại tiếp diễn )

22 aren't

23 gets ( often -> hiện tại đơn )

24 Do - watch ( often -> hiện tại đơn )

25 Is Mr. Brown listening 

26 go 

27 washes

28 Is she playing

29 see

30 Does - take

31 are

32 doesn't - do

33 takes

34 don't - go

35 are

36 isn't playing

37 is playing

38 visit

39 is - studying

40 go

41 isn't

68 doesn't watch

69 are going

70 will plan

71 did- do

72 will build

73 will - write - aren't

74 picks

75 is watching

76 do - do

77 went

78 didn't get

79 am reading

80 do - watch

81 talk

82 doesn't - go

83 are playing

84 aren't - is

85 is - listening

86 are reading

87 aren't playing

88 wash - isn't

89 do - write

90 meet

91 waters 

92 is listening

Đáp án:

21. aren't seeing
22. aren't
23. gets
24. Do...watch?

25. Is... listening?
26. go
27. washes
28. Is...playing?
29. see
30. Does...take?
31.are
33.takes
34. aren't....go

35. Are
36. isn't playing
37. is playing
38.visit
39. Is...studying?
40. go
41. isn't

68. doesn't watch
69. will go
70. will plant
71. Did....do?
72. are going to build

73. Will...write? 
      aren't
74.picks
75. is going to watch
76. Do...do?
77. went
78. didn't fet

79. am reading
80. Do....watch?
81. talk
82. isn't...go
83. are playing
84.aren't
85. Is ... listening?
86.are reading
87. aren't playing
88. wash
      isn't
89. Do....write?
90. meet
91. waters
92. is listening

#Chúc bạn học tốt+camon+vote 5sao+CTLHN