1. We have to ..............................all the new words in the notebook ( memory ). 2. ...................... waves are one of the great forces of nature . They are very dangerous for people ( tide). 3. Tsunamis, earthquakes and typhoons are ............................ disasters ( nature). 4. A typhoon is going to his our area . What sorts of ............................... shall we make?( prepare). 5............................. food are very convenient for campers ( can ). 6. Today.................................can...............................when the earthquake will occur ( science/prediction ). 7. The mountain was full of .............................rock and ash when the ........................ was over ( volcano/erupt). 8. Thousands of people have been made ................................. by flooding ( home ). 9. If we want to look after the environment , we should protect...............................rainforest ( tropic). 10. Many people were ............................... killed in that storm ( disaster ). 11. The lava ........................as it cools ( solid ). 12. "You look nervous"."Thunder makes me ...................................." ( terrify ). 13. The weather is so........................ that I don't know that should take an umbrella or sun-tan lotion ( predict). 14. .............................., people eat....................... rice cakes at Tet ( tradition/stick). 15. We went to the shop downtown to by some .............................. ornament ( decoration )