15.2. The most difficult
3. The cheapest
4. A:Better
B:Harder
5. More
6. More expensive
7. Louder
16. 2.Are as tasty as tacos
3. More difficult
4. Is as dangerous as
5. More popular than
6. More relaxing than
17. 2. The darker it got, the more frightened i became.
3. The harder we worked, the more successful we became.
4. The noisier the boys got, the angrier their father became.
