mi tío isaac ______ planes (plans) para ir a méxico. (1 point) o hicieron o hiciste o hizo o hicimos

Brief Explanations:

The subject "Mi Tío Isaac" is third - person singular. The verb "hacer" (to make) in the preterite tense for third - person singular is "hizo". "hicieron" is third - person plural, "hiciste" is second - person singular, and "hicimos" is first - person plural.

Answer:

C. hizo