1. Typhoons, droughts, and floods are ...................... disasters happening so often in my country. (nature) 2. He is very ........................ towards his friends. He always tries to help if one of them has a problem. (consider) 3. We can limit natural disasters by ................................. our environment. (protect) 4. Nam is the most effective .................................... in our club. (act) 5. It is ........................................ for you to live in an earthquake zone. (danger) 6. We left the town .............................. before the lava hit it. (safety) 7. ............... waves are one of the great forces of nature. (tide) 8. It was a frightening sight for Pliny to see the volcanic ................................ of Mt. Vesuvius. (erupt) 9. We had left the city..................................... before tidal waves came. (safety) 10. Thousands of people have been made................................ by the flooding. (home) 11. Thunder makes me................................. (terrify) 12. Our _________ turns out to be correct. (predict) 13. The building was _______ damaged by the fire. (extend) 14. The most ____ earthquake in Japanese history damaged Tokyo and Yokohama. (disaster) 15. A typhoon is going to hit our area. What sorts of__________ shall we make? (prepare) 16. Today __________________can predict when a tidal wave hits land. (science) 17. A tidal wave brings death and _________ in its way. (destroy) 18. They have a strong sense of ________________ in their work. (proud) 19. John has been nominated as the most effective ___________ in the town charity program. (active) 20. Everyone likes Jim because of his _________________. He gave a great sum of money to charity. (generous)