1. Glass is brittle. 2. We burned the old leaves in the garden. 8. Heat has (has) a mary6 (bad) effect on people. 4. The influence of teachers on students is great, 5, Have you ever been 6srBaT R apan, Kepee? 6. Have you heard anything about the "greenhouse affete"? 7. What's up this factory? 8. In North Africa. no more than 4000 hours of sunshine each year. 9. The coast is cool enough, right? 10. What is the impact of climatic changes on people?