Use the correct form of the words in capital to complete the sentences

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)