Question

1. yo no ______ las llaves.

encuentro
encuentras
encontramos

Explanation:

The subject is "yo" (I), so we need the first - person singular present - tense form of the verb "encontrar". The first - person singular present - tense form of "encontrar" is "encuentro". "encuentras" is the second - person singular form (you), and "encontramos" is the first - person plural form (we).

Answer:

A. encuentro