9,Nile River is ………the longest………… river in the world. (long)

10.This book is …the most interesting… of these books. (interesting)

11. Ho Chi Minh City is ………the biggest……… city in Viet Nam. (big)

12.They are ……the best…… students in my class. (good)

13.These houses are …the most beautiful… in the village. (beautiful)

14.Winter is ……the coldest…… season in the year. (cold)

15.Airplane is …the fastest… means of transport. (fast)

hok tốt!

9. the longest

10. more interesting

11. the biggest

12. the best

13. the most beautiful

14. the coldest

15. the fastest

Chúc bạn học tốt!!!