6.more → bỏ more 

7.to go → go

8..Fansipan is Vietnam's→Vietnam's Fansipan is

9.worse → worst

10.must → must not

11.most → bỏ

12.mustn't → must

13. to give →  give

14. kills → kill

15. go → will go

16.hotter →hottest

17.firework → fireworks

18. write → will write 

CHúc cậu và gia đình mạnh khỏe, cậu học tốt nhé

vote 5 sao + câu trả lời hay nhất cho mình nhé

1. a -> an

2. knock -> is knocking

3. is -> are

4. going -> to go

5. bigest -> biggest

6. much more better -> much better

7. to go -> go

8. Fansipan is Vietnam's -> Vietnam's Fansipan is

9. worse -> worst

10. must -> mustn't

11. bỏ 'most'

12. mustn't -> must

13. to give -> give

14. in -> on 

15. go -> goes

16. hotter -> hottest

17.  firework -> fireworks

18. write -> will write