Answer:
1. Me
2. Te
3. Le
4. Nos
5. Les
6. Les
7. Le
8. Os
Explanation:
Spanish from Spain is pretty lame, with the exception of Andalucian and Canarian variants.
Answer: Yo soy optimista
I am optimistic
Explanation: The subject in this sentence is "Yo", that is a first-person in the singular, so the verb must be conjugated in this form. Yo soy.
