Complete with the passive .Use present simple.

Spanish is spoken in Argentina.[В Аргентине разговаривают по-испански.]

This office is cleaned every day.[Кабинет убирают каждодневно]

All the food is prepared by top chefs.[Всю пищу готовят лучшие повара.]

The Internet is used by millions of people.[Веб употребляется миллионами людей.]

Spanish is spoken in Argentina.
The office is cleaned every day.
All of the food is prepared by top chefs.
The internet is used by millions of people.