Declarative sentences would be the type of sentences because its telling something and every sentences ends with a period. (.)
1. Lewis Carroll's book (singular possessive noun)
2. The knife's edge (singular possessive noun)
3. The book's cover (singular possessive noun)
4. Mayor Sanita's speech (singular possessive noun)
5. The flowers' aroma (plural possessive noun)
6. The children's bicycle (plural possessive noun)
7. The sirens' roar (plural possessive noun)
Answer:
oh, I need help with this one too, let me know how you go, thank you