1.B

2. B

3. C

4. A

5. C

6. D

7. B

8. A

9. B

1. B 
2. D
2. C
4. C - why Mai looked
5. C
6. C
7. B
8. A
9. B

Becoming a collector of something is very interesting. The most interesting is ________(23) stamps because there are so many to choose from. Stamps-collecting _______(24) a hobby of millions of people all over the world for more than some hundred years. Nobody______(25) how many stamps there are in the world. The _____(26) problem of all beginner is just which stamps to collect, as there are so many and nobody could collect them all. Many people collect stamps of one country, perhaps the one they live _____(27) or small group of countries, or a theme. “Thematic collection “ means gather all stamps in connnection with an idea.

23. A. Collect    B. Collection    C. Collects     D. Collecting

24. A. is being  B. Has been      C. Was          D. is

25. A. Have known    B. Are knowing   C. Knows    D. Know

26. A.big     B. Bigger     C. Most big    D. Biggest

27. A. In     B.of     C. On    D.at

23. A. Collect    B. Collection    C. Collects     D. Collecting

24. A. is being  B. Has been      C. Was          D. is

25. A. Have known    B. Are knowing   C. Knows    D. Know

26. A.big     B. Bigger     C. Most big    D. Biggest

27. A. In     B.of     C. On    D.at

Là chưa xác định :))

?

1.A

2.C

3.C

4.B

1, D

2,B

3,C

4,B

,

37 A

38 D

39 A

40C

37A 38D 39A 40C

33 B

34 D

35 A

36 A

33B 34D 35A 36A

28 C

29 A

30 B

31 C

32 B

23 B

24 D

25 C

26 D

27 A

đùa chứ anh hải thống trị thế này chắc chuyển nghề của hoirdap 247 mất 

19 C

20 B

21 B

22 B

8 A

9 B

10 B

11 A

12 C

13 C

14 D

15 B

16 D

8. A
9. B
10. B
11. A
12. C
13. C
14. D
15. B
16. D