66, a – doing (stop sb doing sth: ngăn ai làm gì)

67, b – not to be (promise to V: hứa làm gì)

68, b – me to come (want sb to do sth: muốn ai làm gì)

69, a – locking (remember Ving: nhớ đã làm gì)

70, a – laughing (can’t help Ving: không thể không làm gì)

71, c – cleaning (like Ving: thích làm gì)

72, b – to invite

73, c – It is difficult to understand him.

74, b – come

75, d – you to take

76, c- the horse winning.

77, a – me where to leave

78, a – the house to be redecorated

79, d – to report

80, b – going

81, c – hearing

82, c – us to report

83, d – whether to lock

84, b – for the guests to eat

85, a – I’m used to living

86, d – washing

87, d – It isn’t funny enough for him to repeat.

88, b – I regret spending all money, I’ve got none left.

89, a – It was starting to get dark.

90, d – I think Nick means to break that plate.

66. a 

67. a

68. b 

69. a

70. d

71. c

72. c

73. c 

74. a

75. d

76. a

77. c

78. a

79, a

80. b 

81. b

82. c

83. a

84. c

85. a

86. d

87. b

88. d

89. a

90. a