***Use the corect form ò the word given in each sentence:
*I'm........................ that people have spoiled this area (disappoint)
*These animal are in danger of.................................... (extinct)
*The gas from chemical factory was...............harmful(extreme)
*The sun can be an.................source of power (effect)
*I'm.......disappointed................. that people have spoiled this area (disappoint)
*These animal are in danger of................extincting.................... (extinct)
*The gas from chemical factory was........extreming.......harmful(extreme)
*The sun can be an........effecting.........source of power (effect)