13. D Firstly
14. A Secondly
15. D sizes
16. B Finally
17. D conclusion
18. C convenient
II
11. A - told
12. A - which
I
1. B from
2. A in - of - on
believe in sth : tin vào cái gì
3. A of
4. C imagination : sự tưởng tượng
5. C interesting
6. C scientist
7. B for + khoảng thời gian
8. C would visit
9. D work
10. A do
Let's Vnt
11. B - hard
12. B - to going
---
1. D learning
enjoy Ving
2. D with
3. A liked
---
11. C - 0
12. A - to turn