На вашей фото нет 19 а.
19 b:
1. It is the longest road in our town.
2. It is the shortest poem in the textbook.
3. She is the best student in our class.
4. He is the most famous writter in Russian literature.
5. It is the happiest day of her summer holidays.
6. It is the longest legend in the world.
7. It is the funniest hobby in our class.
23.
1. strong
2. match
3. together
4. create