C. Underline the correct answer from the words in the parentheses.
11. Maria (spend, spent) her vacation in the city last year.
12. They (slept, sleep) outside the house last night.
13. During my birthday, my father (drink, drank) wine.
14. We experienced brownout last night. I was afraid so I (hide, hid) under the table.
15. Mother (forget, forgot) to close the door a while ago.​