Answer:
The "personal a" is not necessary.
The answer for that blank part of the sentence is para so the sentence would be Necesito ir a la tintoreria para lavar mi traje.
1. Chicken rice
2. Fruits
3. Cereal with milk and toast
4.Hamburgers
5. Fish
6. Salad
It would be "los libros", since "los libros" means "the books".
Source: I'm fluent in Spanish.
