1.Humphry Davy helped Faraday much in his leter .........(discover)
2.The farmer is trying to........the pig before killing it for meat (fat)
3.This organization is very concerned about the..........of the rain forests (destroy)
4.I was annoyed at his......to cooperate (refuse)
5.Two....from the group ''Friend of the Earth'' are talking to the students(represent)
6.This knife is......It can't cut anything (use)
7.This photo has just been.............(large)
8.She has been........since her husband died (poverty)
9.Most orphans are bred in................(orphan)
10..................covers the sky at night (dark)
1. discovery
2. fatten
3. destruction
4. refusal
5. representatives
6. useless
7. enlarged
8. poor
9. orphanage
10. darkness