Use the words in task 1 to complete the following sentences

Task 1 
 1) flammable, inflammable     2) wisdom/wisely    3) massiveness/massively    4) to prevent/preventive, preventable/preventatively      5) survival/survivable/X     6) prediction/ predictable, unpredictable/predictably, unpredictably 7) disastrous/disastrously to warn/warning/warningly
  Task 2: Use the words in Task 1 to complete the following sentences.
1. All ___________ materials should be kept away from fires.
2   a. We made several ___________ decisions and regretted.
     b. I certainly hope to gain a little ____________ as I grow older.
3. The movie is a ____________ ambitious project.
4. a. Smoking is the biggest ___________ cause of death and disease.
    b. While travelling abroad, take ___________ measures to avoid illness.
5. a. Illegal hunting is threatening the __________ of the species.
     b. The only ___________ of the accident was found in the water after six hours.
6. a. Technology helps people make ___________ of some natural disaster.
    b. The weather there can be a bit ___________ - one minute it's blue skies and the next minute it's pouring down.
7. Carelessness in driving often results in __________ accidents.
8. Many birds give alarm calls to __________ of danger