=>
67. B ( at present -> HTTD)
68. C since -> HTHT
69. A have V3/ed -> HTHT
70. A for + khoảng time
71. D ago -> QKĐ
72. A at the moment -> HTTD
73. C yesterday -> QKĐ
74. D It's + time since QKĐ
75. A -> HTĐ
76. B yet ( dùng trong câu phủ định)
77. A -> HTĐ
78. B once a week -> Bị động HTĐ
79. D this is the first time -> HTHT
80. B look! -> HTTD ( wants không chia thì HTTD)
81. B every weekend -> HTĐ
82. B visited
83. A Ann -> dùng does
84. B last -> QKĐ
85. A so far -> HTHT
86. C often -> QKĐ
87. B QKĐ
88. A for -> HTHT
89. B HTHT since QKĐ
90. C every -> HTĐ/ yesterday -> QKĐ
91. Thiếu đáp án