9 B
10 A
11 D
12 C
13 A
14 B
15 C
16 A
17 D
18 A
19 D
20 B
21 C
22 B
23 A
24 B
25 D
26 A
27 C
28 A
29 D
30 D
31 B
32 A
33 Tuan asked Lan how often she went to the English club
34 My mother has worked at this school for 25 years
35 THe problem has been studied carefully by the scientists
36 The girl who is talking to the lecture has been the best student for 2 years
9 B
10 A
11 D
12 C
13 A
14 B
15 C
16 A
17 D
18 A
19 D
20 B
21 C
22 B
23 A
24 B
25 D
26 A
27 C
28 A
29 D
30 D
31 B
32 A
33 Tuan asked Lan how often she went to the English club
34 My mother has worked at this school for 25 years
35 THe problem has been studied carefully by the scientists
36 The girl who is talking to the lecture has been the best student for 2 years
