<h2>Hello!</h2>
The answers are:
1. Los estudiantes de la UNAM no viven en residencias estudiantiles.
2. México, D.F. es la ciudad más grande de Latinoamérica.
3. La UNAM es una universidad muy grande.
4. La UNAM ofrece 74 carreras de estudio.
Translated:
1. The UNAM students don't live in student residences.
2. México, D.F is the biggest city of Latin America.
3. The UNAM is a very large university.
4. The UNAM offers 74 study courses.
<h2>Why?</h2>
We just need to match each option in order to make proper statements:
1. The UNAM students don't live in: It's referring to a location where students live, the proper option is student residences.
2. México, D.F is: It's trying to describe something, so, the correct option is: the biggest city of Latin America
3. The UNAM is: Since it's describing something, the correct option is: a very large university.
4. The UNAM offers: Since it's referring to something that is being offered, the correct option is: 74 study courses.
Have a nice day!