B. USE THE CORRECT FORM OF THE WORDS IN CAPITAL TO COMPLETE THE SENTENCES.

11. You cannot imagine how ____________ the area was damaged by the flood.  ( SERIOUS )

12. This volcano is dead, it has been ______________ for more than a century.         ( ACT )

13. Halong has been a great tourist ______________ since it was claimed World Heritage.(ATTRACT)

14. We were given a warm welcome by the ______________ of the island.          ( INHABIT )

15. My friend phoned to tell me the time of his __________ in Hochiminh City. ( ARRIVE )

16. Ha long bay was __________ by UNESCO as a world heritage site.     (RECOGNITION)

17. An active __________ may erupt at any time.                                        (VOLCANIC)

18. The ______________ have to cook rice in this competition.                (PARTICIPATE)

19. People ______________ decorate their houses with marigolds at Tet.          (TRADITION)

20.There were over 100 _______________ joining in that festival.                  (COMPETE)