Please help me I need these answers

Identify the three main regions of venezuela. la sierra andina patagonia los llanos la amazonía yucatán la guayana venezolana

1. completa la oración con la voz pasiva. the book was written by cervantes. el libro por cervantes 2. completa la oración con la voz pasiva con ser. the tall building was designed by the architect. el edificio alto por el arquitecto. 3. completa la oración con la voz pasiva con ser. the cookies were eaten by the children. las galletas por los niños. 4. completa la oración con la voz pasiva con se. the cake was eaten. la torta. 5. completa la oración con la voz pasiva con se. used cars for sale. carros usados.

*fluent spanish speakers! * super easy request, can you me translate the following into spanish? don't use google translate, as it isn't accurate. it has been one week since i went to orlando. i visited my family and spent the week at disney world.