7.3
1. the coldest
2. larger
3. the longest
4. the highest
5. the longest
6. the most important
7. better
8. better
9. less
10. better
11. the best
12. slowlier
7.4
1.Charles Dickens is one of the most popular writers in the world
2. This story is more interesting than thatstory
3. Is your house higher than ours? No, its as high as yours