1. We must learn about keeping evironment ....................................... ( polluted ) 2. Environment ................................ is everybody's responsibility . ( protect ) 3. Scientists are looking for an ............... way to reduce energy consumptions . ( effect ) 4. ............................ is now a serious problem in many countries . ( forest ) 5. Can you tell me the reasons for ......................... the Mother,s Day ? ( celebrate ) 6 . Passover of the Jewish people is a festival which celebrates .................... from slavery . ( free ) 7. I'm very ..................... of my father and love him so much . ( pride ) 8. The earthquake caused terrible ................................... ( destroy ) 9. Thousands of people were ............................ killed in that morning . ( disaster ) 10. I'm afraid of the picture which shows a violent ....................... ( erupt )

1. We must learn about keeping evironment .................unpolluted...................... ( polluted )
2. Environment ..................protection.............. is everybody's responsibility . ( protect ) 
3. Scientists are looking for an ......effective......... way to reduce energy consumptions . ( effect )
4. ..........deforestation.................. is now a serious problem in many countries . ( forest ) 
5. Can you tell me the reasons for .......celebrating.................. the Mother,s Day ? ( celebrate ) 
6 . Passover of the Jewish people is a festival which celebrates ........freedom............ from slavery . ( free )
7. I'm very ................proud..... of my father  and love him so much . ( pride ) 
8. The earthquake caused terrible ...........destruction........................ ( destroy ) 
9. Thousands of people were .........disastrously................... killed in that morning . ( disaster ) 
10. I'm afraid of the picture which shows a violent ..........eruption............. ( erupt )