1. The volcanic __eruption___ caused a lot of bad effects. (erupt)
2. The students finished their exercises very _quickly_. (quick)
3. The rain made it __impossible__ for us to play football well. (possible)
4. They seemed to be _impressed__ by the song performing on TV. (impress)
5. We are interested in __well___-equipped libraries. (good)
6. The __fashionable__ dressed girls are walking there. (fashion)
7. These __attractive___ models earn much money. (attract)
8. We felt __terribly__ sorry for that poor girl. (terrible)
9. I don’t like your __behaviour__ because it is not good for us. (behave)
10. You should avoid __crowded__ places these days. (crowd)
11. I am keen on __naturally___ friendly projects. (natural)
12. We like those ___environmentally__ friendly products. (environment)
13. She has __bettered__ her English since she went abroad. (better)
14. A(n) __spoiled__ area like this must be protected. (spoil)
15. Children in my country are __greatly__ excited about K-pop. (great)