1.
B
19.
D
37.
D
55.
D

2.
D
20.
B
38.
A
56.
C

3.
A
21.
A
39.
D
57.
B

4.
D
22.
C
40.
A
58.
C

5.
B
23.
C
41.
A
59.
C

6.
C
24.
A
42.
A
60.
B

7.
B
25.
D
43.
A
61.
A

8.
C
26.
A
44.
C
62.
C

9.
C
27.
B
45.
B
63.
C

10.
A
28.
B
46.
C
64.
A

11.
C
29.
B
47.
A
65.
C

12.
A
30.
B
48.
A
66.
C

13.
B
31.
A
49.
D
67.
C

14.
D
32.
B
50.
C
68.
B

15.
A
33.
C
51.
C
69.
A

16.
B
34.
C
52.
B
70.
C

17.
A
35.
D
53.
D
 
 

18.
C
36.
C
54.
D
 
 

71. impressively
72. independent
73. unpolluted
74. longest
75. non-existent
76. Thank you very much for having invited me to speak to your students about conservation.
77. I am/ would be delighted to come and/ to answer all of the questions (that) any student may have.
78. I find it best to start by showing a video film and it will be followed by a discussion.
79. Also, I am having/ have a wide selection of information leaflets in which any students are / will be interested.
80. I hope your/ the students will enjoy listening to my lecture and I look forward to hearing from you.
81. In front of them was standing a big man. / In front of them was a big man standing.
82. Hardly had he arrived when things went wrong.
83. So heavily did it rain that they cancelled the flight.
84. No matter how long you (may) use it, it won’t wear out.
85. You didn’t forget to post the letter, did you?
Người giải: Giáo viên VŨ MỸ LAN (Tổ trưởng tổ Tiếng Anh, Trường THPT chuyên Lê Hồng Phong TP.HCM)