III. Give the correct form of the word in brackets to complete each sentence. (10 points) 1. A lot of toys encourage children’s ___________________.

III. Give the correct form of the word in brackets to complete each sentence. (10 points)
1. A lot of toys encourage children’s ___________________. (imagine)
2. The factory has provided cheaper ___________________ lately. (produce)
3. Burning coal is an ___________ way of heating a house. Gas is much cheaper. (economy)
4. According to some scientists the earth is losing its outer atmosphere because of ______ . (pollute)
5. She has one of the biggest art ________________________ in Britain. (collect)
6. ________________ has caused many so-called man-made disasters. (forest)
7. ____________ often walk through the streets shouting or singing about something they sell. (cry)
8. Gas and oil ____________________ always increases in cold weather. (consume)
9. The police are interested in the sudden _________________ of the valuable painting. (appear)
10. He claimed that his _______________________ had caused him to become a criminal. (bring up)