1 C => needs
2 C => prepare
3 C => lost
4 B => bỏ
5 D => had done
6 C => did I found
7 C => couldn't sleep
8 A => is
9 B => had been
10 D => had found
2. C → prepare
3. C → lost
4. B → ∅
5. D → had done
6. C → did i find
7. C → couldn't sleep
8. A → is
9. B → had been
Câu 10 mình nhìn k rõ