8. C => carefully enough (sau V là Adv)
9. D => to buy
10. B => don't have
11. C => clever enough
12. B => excellently (giải thích như câu 8)
 

13. B => well enough ( V + Adv)
14. C => bỏ for us
Từ câu 15 trở xuống đúng rồi á.
Bài V:

1. We don't have enough time to finish our last test
2.  

2. The water isn't hot enough for us to make tea
3. The children are tall enough to pick fruit on the trees
4. He behaves politely enough to attract those girls
5. He plays soccer skillful enough that everyone are his fans