1. Eats
2. Was
3. Boils
4. Said/ couldn't hear
5. Has lost
6. Have/ eaten
7. Are listening
8. Is going to arrive ( nếu em chưa học be going to thì dùng will => will arrive)
9. Has lived
10. Are/ were
11. Have written
12. Works/ is doing
13. Goes
14. Am writing
15. Am
16. Is/ having
17. Haven't met/ left
18. Are you enjoy
19. Climb
20. Have just made
Chúc em học tốt!