1. steep roofs 2. from the bottom of one’s heart 3. for the convenience of customers 4. Will it be convenient for you to start work tomorrow? 5. There is much noise in this restaurant. =The restaurant is very noisy.
6. They are playing noisily upstairs. 7. I turned around and stepped on his feet. 8. What a peaceful life they lived! 9. It’s autumn because the leaves are falling. 10. It’s spring because birds are making nests in the trees.
11. Playing the piano is one of his relaxations. 12. This new pair of gloves is very nice.