Answer:
1. levané
2. levanté
3. preparo
4. busqué
5. camine
6. caminamos
7. empezó
8. jugue
9. llegue
10. cené
11. toqué
Explanation:
The tildes might be wrong, sorry :p
How would you say "serve the food" to someone you don't know very well?
Answer : D.) Sirva la comida
Explanation : "Usted" is the formal subject when you are talking to someone you do not know very well, such as a waiter in a restaurant. Then the imperative mode must be conjugated in the third person. Usted sirva la comida.
Hope this helps!